- http://www2.jpl.nasa.gov/calendar/
- Jun 21 -[Jun 15] Summer Solstice, 16:38 UT
- Jun 21 – Mars Spacecraft Solar Conjuction Ends
- Jun 21 – Comet 238P/Read Closest Approach To Earth (2.297 AU)
- Jun 21 -[Jun 16] Asteroid 2015 LP21 Near-Earth Flyby (0.090 AU)
- Jun 21 – Asteroid 2010 LN14 Near-Earth Flyby (0.048 AU)
- Jun 21 – Asteroid 827 Wolfiana Closest Approach To Earth (1.302 AU)
- Jun 21 – Asteroid 2866 Hardy Closest Approach To Earth (1.691 AU)
- Jun 21 – Asteroid 54522 Menaechmus Closest Approach To Earth (1.772 AU)
- Jun 21 – Asteroid 249521 Truth Closest Approach To Earth (2.028 AU)
- Jun 21 – Asteroid 8990 Compassion Closest Approach To Earth (2.045 AU)
- Jun 21 – Asteroid 24101 Cassini Closest Approach To Earth (2.453 AU)
- Jun 21-25 – 2015 CEDAR Workshop, Seattle, Washington
- Jun 21-25 – 12th International Conference on Nucleus-Nucleus Collisions (NN2015), Catania, Italy
- Jun 21-26 – 11th Edoardo Amaldi Conference on Gravitational Waves, Gwangju, South Korea
- Jun 21-26 – 5th Electromagnetic and Light Scattering Conference, Leipzig, Germany
- Jun 21-27 – 9th Alexander Friedmann International Seminar on Gravitation and Cosmology / 3rd Satellite Symposium on the Casimir Effect, St. Petersburg, Russia
- Jun 21-Jul 12 – Workshop: The Physics of Accretion and Feedback in the Circum-Galactic Medium, Aspen, Colorado
- Jun 22 -[Jun 18] Sentinel 2A Vega Launch
- Jun 22 – Comet P/2011 W2 (Rinner) At Opposition (4.297 AU)
- Jun 22 – Asteroid 2709 Sagan Closest Approach To Earth (1.153 AU)
- Jun 22 – Asteroid 6758 Jesseowens Closest Approach To Earth (1.378 AU)
- Jun 22 – Asteroid 10221 Kubrick Closest Approach To Earth (1.492 AU)
- Jun 22 – Centaur Object 10199 Chariklo At Opposition (14.105 AU)
- Jun 22 – Centaur Object 10370 Hylonome At Opposition (22.041 AU)
- Jun 22 – Royal Greenwich Observatory's 340th Birthday (1675)
- Jun 22-23 – Meeting: Achieving Science Goals with CubeSats, Washington DC
- Jun 22-23 – Meeting: Review of NASA's Evidence Reports on Human Health Risks, Washington DC
- Jun 22-25 – Symposium: Symmetries and Phases in the Universe, Irsee, Germany
- Jun 22-25 – National Space and Missile Materials Symposium (NSMMS), Chantilly, Virginia
- Jun 22-26 – European Week of Astronomy and Space Science, La Laguna, Tenerife, Canary Islands, Spain
- Jun 22-26 – Solar Wind 14 Conference, Weihai, China
- Jun 22-26 – Conference: In the Spirit of Bernard Lyot 2015 – Direct Detection of Exoplanets and Circumstellar Disks, Montreal, Canada
- Jun 22-26 – AIAA Aviation and Aeronautics Forum and Exposition (AIAA AVIATION 2015), Dallas, Texas
- Jun 22-26 – 7th AIAA Atmospheric and Space Environments Conference, Dallas, Texas
- Jun 22-26 – 33rd AIAA Applied Aerodynamics Conference, Dallas, Texas
- Jun 22-26 – AIAA Atmospheric Flight Mechanics Conference, Dallas, Texas
- Jun 22-26 – AIAA Balloon Systems Conference, Dallas, Texas
- Jun 22-26 – Conference: The Many Pathways to Galaxy Growth, Prato, Italy
- Jun 22-26 – 42nd European Physical Society Conference on Plasma Physics, Lisbon, Portugal
- Jun 22-26 – Conference: Energy for the Future 2015-2020 … And Beyond!, Sexten, Italy
- Jun 22-26 – Strings 2015, Bangalore, India
- Jun 22-26 – Invisibles15 Workshop, Madrid, Spain
- Jun 22-26 – 11th Patras Workshop on Axions, WIMPs and WISPs, Zaragoza, Spain
- Jun 22-26 – International Symposium on Molecular Spectroscopy, Champaign-Urbana, Illinois
- Jun 22-26 – 1st Peruvian School of High Energy Physics and Cosmology, Lima, Peru
- Jun 22-Jul 02 – 26th General Assembly of the International Union of Geodesy and Geophysics, Prague, Czech Republic
- Jun 22-Jul 10 – Molecule-type Workshop on Radiation Reaction in General Relativity, Kyoto, Japan
- Jun 23 – Comet 208P/McMillan Closest Approach To Earth (2.413 AU)
- Jun 23 – Comet 298P/Christensen Closest Approach To Earth (2.982 AU)
- Jun 23 – Asteroid 2015 KK57 Near-Earth Flyby (0.021 AU)
- Jun 23 -[Jun 17] Asteroid 2015 LM24 Near-Earth Flyby (0.056 AU)
- Jun 23 – Asteroid 4330 Vivaldi Closest Approach To Earth (1.290 AU)
- Jun 23 – Centaur Object 55576 Amycus At Opposition (18.223 AU)
- Jun 23 – SpaceUp GLIC, Munich, Germany
- Jun 23 – Lecture: A Holographic Quantum Theory of Spacetime, Mountain View, California
- Jun 23 – Jaume Nomen's 55th Birthday (1960)
- Jun 23 – Donn Eisele's 85th Birthday (1930)
- Jun 23-25 – Global Space Innovation Conference 2015, Munich, Germany
- Jun 23-25 – Thirty Meter Telescope Science Forum: Maximizing Transformative Science with TMT, Washington DC
- Jun 24 – Mercury At Its Greatest Western Elongation (22 Degrees)
- Jun 24 – Comet C/2015 H1 (Bressi) At Opposition (1.475 AU)
- Jun 24 – Asteroid 8299 Tealeoni Closest Approach To Earth (0.946 AU)
- Jun 24 – Asteroid 85047 Krakatau Closest Approach To Earth (0.980 AU)
- Jun 24 – Asteroid 5011 Ptah Closest Approach To Earth (1.634 AU)
- Jun 24 – Fred Hoyle's 100th Birthday (1915)
- Jun 24 – Edwin Coddington's 145th Birthday (1870)
- Jun 24-26 – 26th Space Cryogenics Workshop, Phoenix, Arizona
- Jun 24-26 – Workshop: New Directions in Theoretical Cosmology, Pisa, Italy
- Jun 24-27 – Conference: Origin of Matter and Evolution of Galaxies (OMEG2015), Beijing, China
- Jun 24-28 – 12th Biennial History of Astronomy Workshop, Notre Dame, Indiana
- Jun 24-Jul 01 – 22nd International Workshop: High Energy Physics and Quantum Field Theory, Samara, Russia
- Jun 25 – Comet P/2009 WX51 (Catalina) Perihelion (0.796 AU)
- Jun 25 – Comet 86P/Wild Closest Approach To Earth (1.338 AU)
- Jun 25 – Comet 233P/La Sagra Perihelion (1.787 AU)
- Jun 25 – Comet P/2007 R3 (Gibbs) Closest Approach To Earth (2.349 AU)
- Jun 25 – Comet 188P/LINEAR-Mueller At Opposition (3.343 AU)
- Jun 25 – Asteroid 2007 WU3 Near-Earth Flyby (0.043 AU)
- Jun 25 – Asteroid 2010 NY65 Near-Earth Flyby (0.044 AU)
- Jun 25 -[Jun 17] Asteroid 2015 LK24 Near-Earth Flyby (0.052 AU)
- Jun 25 – Asteroid 7707 Yes Closest Approach To Earth (1.463 AU)
- Jun 25 – Asteroid 118945 Rikhill Closest Approach To Earth (2.168 AU)
- Jun 25 – Lecture: Is Pluto A Planet?, London, United Kingdom
- Jun 25 – Lecture: Smart Satellites – From Up There to Down Here, Leicester, United Kingdom
- Jun 25 – Rupert Wildt's 110th Birthday (1905)
- Jun 25-26 – Industry Day: Doing Business with ESA, Darmstadt, Germany
- Jun 26 – Cassini, Orbital Trim Maneuver #414 (OTM-414)
- Jun 26 – Asteroid 2014 OL339 Closest Approach To Earth (0.272 AU)
- Jun 26 – Asteroid 274301 Wikipedia Closest Approach To Earth (1.141 AU)
- Jun 26 – Asteroid 2023 Asaph Closest Approach To Earth (1.839 AU)
- Jun 26 – Asteroid 5035 Swift Closest Approach To Earth (2.016 AU)
- Jun 26 – Asteroid 7554 Johnspencer Closest Approach To Earth (2.309 AU)
- Jun 26 – Lecture: Almahata Sitta and Other Polymict Ureilites and Why They are So Important, Houston, Texas
- Jun 26 – David Morrison's 75th Birthday (1940)
- Jun 26 – Charles Messier's 285th Birthday (1730)
- Jun 27 – NASA Wallops Flight Facility Open House, Wallops Island, Virginia
- Jun 27 – Comet 319P/Catalina-McNaught Closest Approach To Earth (0.693 AU)
- Jun 27 – Comet 322P/SOHO Closest Approach To Earth (0.959 AU)
- Jun 27 – Comet 272P/NEAT At Opposition (4.235 AU)
- Jun 27 – Asteroid 2013 VY9 Near-Earth Flyby (0.087 AU)
- Jun 27 – Asteroid 4581 Asciepius Closest Approach To Earth (0.362 AU)
- Jun 27 – Asteroid 6128 Lasorda Closest Approach To Earth (1.137 AU)
- Jun 27 – Asteroid 11911 Angel Closest Approach To Earth (2.319 AU)
- Jun 27 -[Jun 14] Neptune Trojan 2008 LC18 At Opposition (31.443 AU)
- Jun 27 – 20th Anniversary (1995), STS-71 Launch (Space Shuttle Atlantis, 1st Mir Docking)
- Jun 28 -[Jun 19] CRS-7/ BEAM/ IDA 1/ AggieSat 4/ Bevo 2/ Falcon 9 Launch (International Space Station)
- Jun 28 – Comet P/2008 Y12 (SOHO) At Opposition (3.691 AU)
- Jun 28 – Asteroid 2022 West Closest Approach To Earth (1.865 AU)
- Jun 28-29 – 13th International Conference on Satellite and Space Communications (ICSSC 2015), London, United Kingdom
- Jun 28-Jul 02 – International Forum on Aeroelasticity and Structural Dynamics (IFASD), St. Petersburg, Russia
- Jun 28-Jul 03 – Gordon Research Conference: Origins of Solar Systems – The Physics and Chemistry of Building Planets – Recent Advances and Future Prospects, South Hadley, Massachusetts
- Jun 28-Jul 03 – 30 Years of Photodissociation Regions: A Symposium to Honor David Hollenbach's Lifetime in Science, Pacific Grove, California
- Jun 28-Jul 03 – Gordon Research Conference: Synthetic Biology, Newry, Maine
- Jun 28-Jul 05 – 12th International Conference on Gravitation, Astrophysics and Cosmology (ICGA-12), Moscow, Russia
- Jun 28-Jul 06 – Workshop: Challenges to Quantum Field Theory in Higher Dimensions, Haifa, Israel
- Jun 29 – Comet P/2002 S7 (SOHO) At Opposition (3.928 AU)
- Jun 29 – Comet P/2013 A2 (Scotti) At Opposition (4.109 AU)
- Jun 29 – Asteroid 5535 Annefrank Closest Approach To Earth (1.314 AU)
- Jun 29 – Asteroid 4738 Jimihendrix Closest Approach To Earth (1.387 AU)
- Jun 29 – Asteroid 2874 Jim Young Closest Approach To Earth (1.390 AU)
- Jun 29 – Charles Precourt's 60th Birthday (1955)
- Jun 29-Jul 01 – Workshop: The Stellar IMF at Low Masses: A Critical Look at Variations and Environmental Dependencies, Baltimore, Maryland
- Jun 29-Jul 01 – Meeting: High-Energy Large- and Medium-Class Space Missions in the 2020s, Chicago, Illinois
- Jun 29-Jul 01 – 13th Meeting of the NASA Small Bodies Assessment Group (SBAG), Washington DC
- Jun 29-Jul 02 – 5th Workshop on Flavor Symmetries and Consequences in Accelerators and Cosmology (FLASY 2015), Colima, Mexico
- Jun 29-Jul 02 – International Meeting: Physical Interpretations of Relativity Theory, Moscow, Russia
- Jun 29-Jul 03 – 20th Humans in Space Symposium (HIS), Prague, Czech Republic
- Jun 29-Jul 03 – 2nd IAA Space Flight Safety Symposium, St. Petersburg, Russia
- Jun 29-Jul 03 – 31st IAP Colloquium: From Super-Earths to Brown Dwarfs – Who's Who?, Paris, France
- Jun 29-Jul 03 – Conference: Disc Dynamics and Planet Formation, Larnaca, Cyprus
- Jun 29-Jul 03 – 21st International Symposium on Particles, Strings and Cosmology (PASCOS 2015), Trieste, Italy
- Jun 29-Jul 03 – Workshop: Early E-ELT Science: Spectroscopy with HARMONI, Oxford, United Kingdom
- Jun 29-Jul 03 – 6th European Conference for Aeronautics and Space Sciences (EUCASS 2015), Krakow, Poland
- Jun 29-Jul 03 – 9th International Conference on Interconnections Between Particle Physics and Cosmology (PPC2015), Deadwood, South Dakota
- Jun 29-Jul 03 – Summer School: New Era of the Cosmic Distance Scale, Tokyo, Japan
- Jun 29-Jul 04 – Conference: Simulating Galaxies in a Cosmological Context – WHERE WE ARE, Sexten, Italy
- Jun 29-Jul 04 – 8th Aegean Summer School: Gravitational Waves: From Theory to Observations, Crete, Greece
- Jun 30 – Asteroid Day
- Jun 30 – Leap Second Added to World's Clocks
- Jun 30 – EKS N1/ Tundra 11L Soyuz-2.1b/Fregat-M Launch
- Jun 30 – Kanopus-ST/ Baumanets 2/ Venta 1 Soyuz-2.1v/Volga Launch
- Jun 30 – Comet 302P/Lemmon-PANSTARRS At Opposition (2.549 AU)
- Jun 30 – Centaur Object 10199 Chariklo Occults UCAC4-267-134387 (14.6 Magnitude Star)
- Jun 30 – Asteroid 3361 Orpheus Closest Approach To Earth (1.373 AU)
- Jun 30 – Asteroid 70783 Kenwilliams Closest Approach To Earth (1.793 AU)
- Jun 30 – Asteroid 4321 Zero Closest Approach To Earth (2.108 AU)
- Jun 30 – Kuiper Belt Object 307261 (2002 MS4) At Opposition (45.892 AU)
- Jun 30 – Asteroid Day Special Event, Mountain View, California
- Jun 30 – 10th Anniversary (2005), Mike Brown, et al's Discovery of Haumea Moon Namaka
- Jun 30-Jul 02 – Meeting: The Neutron Star Radius, And All That Jazz, Montreal, Canada
July 2015
- Jul ?? – ADM-Aeolus (Earth Explorer 5) Vega Launch
- Jul ?? – M3MSat (Exactview 7) PSLV Launch
- Jul ?? -[Jun 18] Beidou-3M CZ-3B Launch
- Jul ?? – Garpun N2 Proton M/Briz M P3 Launch
- Jul 01 -[Jun 13] Venus Passes 0.4 Degrees From Jupiter
- Jul 01 – Comet 226P/Pigott-LINEAR-Kowalski Closest Approach To Earth (2.878 AU)
- Jul 01 – Asteroid 2511 Patterson Closest Approach To Earth (1.045 AU)
- Jul 01 – Asteroid 10093 Diesel Closest Approach To Earth (1.133 AU)
- Jul 01 – Asteroid 6524 Baalke Closest Approach To Earth (1.517 AU)
- Jul 01 – 245th Anniversary (1770), Lexell's Comet (D/1770 L1 Lexell) Near-Earth Flyby (5.9 Lunar Distance)
- Jul 01 – Franz-Joseph Muller von Reichenstein's 275th Birthday (1740)
- Jul 01-03 – 5th Meeting of the SKA Pathfinders Radio Continuum Surveys (SPARCS), Kruger National Park, South Africa
- Jul 01-05 – 55th Royal Astronomical Society of Canada (RASC) General Assembly, Halifax, Nova Scotia, Canada
- Jul 01-08 – Conference: Orion (un)plugged, Vienna, Austria
- Jul 01-13 – 3rd Nordic-Hawaii Summer School: Water, Ice and the Origin of Life in the Universe, Iceland
- Jul 02 – Comet 319P/Catalina-McNaught Perihelion (1.197 AU)
- Jul 02 – Comet 86P/Wild At Opposition (1.345 AU)
- Jul 02 – Comet 93P/Lovas At Opposition (3.853 AU)
- Jul 02 – Asteroid 75564 Audubon Closest Approach To Earth (1.397 AU)
- Jul 02 – Asteroid 2791 Paradise Closest Approach To Earth (1.797 AU)
- Jul 02 – Asteroid 631 Philippina Closest Approach To Earth (2.006 AU)
- Jul 02 – 25th Anniversary (1990), Giotto, Earth Flyby
- Jul 02 – 30th Anniversary (1985), Giotto Launch (ESA's Comet Halley Mission)
- Jul 02-04 – Computational Electromagnetics International Workshop (CEM '15), Izmir, Turkey
- Jul 03 – Progress M-28 Soyuz U Launch (International Space Station 60P)
- Jul 03 – Comet P/2003 SQ215 (NEAT-LONEOS) At Opposition (3.730 AU)
- Jul 03 – Asteroid 3130 Hillary Closest Approach To Earth (1.280 AU)
- Jul 03 – Asteroid 17078 Sellers Closest Approach To Earth (1.903 AU)
- Jul 03 – Asteroid 24750 Ohm Closest Approach To Earth (1.956 AU)
- Jul 03 – Asteroid 8721 AMOS Closest Approach To Earth (2.839 AU)
- Jul 03 -[Jun 15] Project Dragonfly – i4is Student Laser-Sail Design Competition Workshop, London, United Kingdom
- Jul 03 – Harrison Schmitt's 80th Birthday (1935)
- Jul 03-05 – 3rd UNISEC-Global Meeting, Tokyo, Japan
- Jul 03-08 – International Symposium and Workshop on Astrochemistry, Campinas, Brazil
- Jul 03-09 – 27th International Conference on Neutrino Physics and Astrophysics, London, United Kingdom
- Jul 04 – Cassini, Orbital Trim Maneuver #415 (OTM-415)
- Jul 04 – Comet C/2012 F3 (PANSTARRS) Closest Approach To Earth (2.564 AU)
- Jul 04 – Comet 298P/Christensen At Opposition (2.998 AU)
- Jul 04 – 10th Anniversary (2005), Deep Impact, Comet Tempel 1 Impact/Flyby
- Jul 04-10 – 30th International Symposium on Space Technlogy and Science (ISTS) Conference/34th International Electric Propulsion (IEPC) Conference/6th Nano-Satellite (NSAT) Symposium, Kobe-Hyogo, Japan
- Jul 05 – Cassini, Distant Flyby of Pan & Telesto
- Jul 05 – Dwarf Planet Ceres Occults TYC 6933-00036-1 (9.6 Magnitude Star)
- Jul 05 – Comet 302P/Lemmon-PANSTARRS Closest Approach To Earth (2.545 AU)
- Jul 05 -[Jun 16] Asteroid 2015 LN21 Near-Earth Flyby (0.075 AU)
- Jul 05 – Asteroid 3533 Toyota Closest Approach To Earth (1.436 AU)
- Jul 05 – Asteroid 172996 Stooke Closest Approach To Earth (1.461 AU)
- Jul 05 – Asteroid 3714 Kenrussell Closest Approach To Earth (1.855 AU
- Jul 05 – Asteroid 1913 Sekanina Closest Approach To Earth (1.937 AU)
- Jul 05 – Asteroid 469 Argentina Closest Approach To Earth (2.221 AU)
- Jul 05 – Asteroid 2041 Lancelot Closest Approach To Earth (2.460 AU)
- Jul 05 – William Rankine's 195th Birthday (1820)
- Jul 05-08 – 2nd Workshop on Measuring Precise Radial Velocities, New Haven, Connecticut
- Jul 05-09 – Royal Astronomical Society National Astronomy Meeting 2015, Llandudno, North Wales, United Kingomd
- Jul 06 – Earth At Aphelion (1.017 AU From Sun)
- Jul 06 – Comet C/2014 Q1 (PANSTARRS) Perihelion (0.315 AU)
- Jul 06 – Comet P/2015 A3 (PANSTARRS) Closest Approach To Earth (1.178 AU)
- Jul 06 – Comet P/1998 VS24 (LINEAR) At Opposition (3.859 AU)
- Jul 06-09 – 20th AIAA International Spaceplanes, Hypersonics Systems and Technology Conference, Glasgow, Scotland
- Jul 06-09 – Workshop: Cosmological Frontiers in Fundamental Physics, Brussels, Belgium
- Jul 06-09 – International Conference on New Photo-Detectors (PD15), Moscow, Russia
- Jul 06-10 – Don't Follow (Just) the Water: Does Life Occur in Non-Aqueous Media?, Pasadena, California
- Jul 06-10 – Workshop: Stellar End Products – The Low Mass – High Mass Connection, Garching, Germany
- Jul 06-10 – 4th Annual MPIA Summer Conference: A 3D View on Galaxy Evolution – From Statistics to Physics, Heidelberg, Germany
- Jul 06-10 – 2015 Lunar Workshop for Educators, Greenbelt, Maryland
- Jul 06-10 – 8th Conference on Loop Quantum Gravity (LOOPS '15), Erlangen, Germany
- Jul 06-10 – Workshop: AdS/CFT, Self-adjoint Extension and the Resolution of Cosmological Singularities, Montreal, Canada
- Jul 06-10 – Conference: A 3D View on Galaxy Evolution – From Statistics to Physics, Heidelberg, Germany
- Jul 06-10 – Workshop: AdS/CFT, Self-adjoint Extension and the Resolution of Cosmological Singularities, Montreal, Canada
- Jul 06-10 – 13th International Workshop on Quantum Reactive Scattering, Salamanca, Spain
- Jul 06-10 – International Conference: Amplitudes 2015, Zurich, Switzerland
- Jul 06-10 – Caltech Gravitational Wave Astrophysics School 2015, Pasadena, California
- Jul 06-11 – Conference: Galaxy Clustering within Euclid OULE3, Sexten, Italy
- Jul 06-11 – Conference: Drifting Through the Cosmic Web – The Evolution of Galaxies Within the Large Scale Structure, Aix-en-Provence, France
- Jul 06-11 – Conference: Strangeness in Quark Matter 2015 (SQM 2015), Dubna, Russia
- Jul 06-17 – NCAR ASP Summer Colloquium 2015: Climate, Space Climate, and Couplings Between, Boulder, Colorado
- Jul 06-17 -[Jun 18] 2015 Xinjiang Summer Program on Astroparticle Physics (XApP 2015), Xinjiang, China
- Jul 07 – Cassini, Titan Flyby
- Jul 07 – Comet C/2015 F4 (Jacques) At Opposition (0.772 AU)
- Jul 07 – Asteroid 2015 HM10 Near-Earth Flyby (0.003 AU)
- Jul 07 – Asteroid 2005 VN5 Near-Earth Flyby (0.032 AU)
- Jul 07 – Asteroid 2015 JY1 Near-Earth Flyby (0.062 AU)
- Jul 07 – Centaur Object 944 Hidalgo At Opposition (6.892 AU)
- Jul 07 – Dwarf Planet 134340 Pluto At Opposition (31.888 AU)
- Jul 07 – Presentation: Grand Tour of the Solar System, Sheffield, United Kingdom
- Jul 07 – Yuji Hyakutake's 65th Birthday (1950)
- Jul 07-09 – International Space Station Research and Development Conference, Boston, Massachusetts
- Jul 07-09 – 9th IAA Symposium on The Future of Space Exploration – Towards New Global Programmes, Torino, Italy
- Jul 07-10 – International Science Conference: Our Common Future Under Climate Change, Paris, France
- Jul 07-10 – Molecular Physics Workshop, Caen, France
- Jul 08 – Star One C4/ MSG 4 Ariane 5 Launch
- Jul 08 – Asteroid 2201 Oljato Closest Approach To Earth (0.522 AU)
- Jul 08 – Asteroid 904 Rockefellia Closest Approach To Earth (2.283 AU)
- Jul 08 – Lecture: 2001 – An Odyssey Revisited, London, United Kingdom
- Jul 08 – Lecture: Finding Beagle, London, United Kingdom
- Jul 08-10 – Workshop: Compact Stars and Black Holes at Black Sea, Nesebar, Bulgaria
- Jul 08-10 – 13th Australasian Environmental Isotope Conference (AEIC 2015), Sydney, Australia
- Jul 09 – Moon Occults Uranus
- Jul 09 – Asteroid 2015 JH2 Near-Earth Flyby (0.079 AU)
- Jul 09 – George Darwin's 170th Birthday (1845)
- Jul 09-12 – Annual Gateway to the Universe Star Party, Marten River Provincial Park, Canada
- Jul 10 – DMC 3A/3B/3C SkySat 3 Dnepr Launch
- Jul 10 – Cassini, Orbital Trim Maneuver #416 (OTM-416)
- Jul 10 – Comet 135P/Vaisala-Oterma Closest Approach To Earth (2.015 AU)
- Jul 10 – Asteroid 2014 WU200 Near-Earth Flyby (0.079 AU)
- Jul 10 – Asteroid 9342 Carygrant Closest Approach To Earth (1.153 AU)
- Jul 10 – Asteroid 4183 Cuno Closest Approach To Earth (1.202 AU)
- Jul 10 – Asteroid 4659 Roddenberry Closest Approach To Earth (1.378 AU)
- Jul 10 – Asteroid 4197 Morpheus Closest Approach To Earth (2.750 AU)
- Jul 10 – 5th Anniversary (2010), Rosetta, Asteroid 21 Lutetia Flyby
- Jul 10 – 30th Anniversary (1985), Bion 7 Launch (Carried Monkeys Verny & Gordy, Newts)
- Jul 10 – Owen Chamberlain's 95th Birthday (1920)
- Jul 11 – Comet P/2005 W4 (SOHO) At Opposition (3.394 AU)
- Jul 11 – Comet P/2013 EW90 (Tenagra) At Opposition (3.718 AU)
- Jul 11 – Asteroid 164202 (2004 EW) Near-Earth Flyby (0.070 AU)
- Jul 11 – Asteroid 3018 Godiva Closest Approach To Earth (0.924 AU)
- Jul 11 – Asteroid 12818 Tomhanks Closest Approach To Earth (1.567 AU)
- Jul 11 – Asteroid 4628 Laplace Closest Approach To Earth (1.794 AU)
- Jul 11 – Asteroid 4341 Poseidon Closest Approach To Earth (1.972 AU)
- Jul 11 – 25th Anniversary (1990), Gamma Observatory Launch (Soviet Union)
- Jul 12 – Moon Occults Aldebaran
- Jul 12 – Comet P/1999 J6 (SOHO) At Opposition (0.880 AU)
- Jul 12 – Comet 162P/Siding Spring Perihelion (1.237 AU)
- Jul 12 – Comet 221P/LINEAR Perihelion (1.758 AU)
- Jul 12 – Asteroid 12490 Leiden Closest Approacn To Earth (2.072 AU)
- Jul 12-16 – 45th International Conference on Environmental Systems (ICES 2015), Bellevue, Washington
- Jul 12-17 – 25th Dynamics of Molecular Collisions (DMC) Meeting: Celebrating 50 Year of Chemical Reaction Dynamics, Asilomar, California
- Jul 12-18 – 14th Marcel Grossmann Meeting on General Relativity (MG14), Rome, Italy
- Jul 12-18 – Meeting: Mathematical Aspects of General Relativity, Oberwolfach, Germany
- Jul 12-24 – Summer School on Submillimeter Astronomy, Moscow, Russia
- Jul 13 – Comet C/2012 F3 (PANSTARRS) At Opposition (2.574 AU)
- Jul 13 – Comet C/2013 Y2 (PANSTARRS) At Opposition (3.793 AU)
- Jul 13 – Asteroid 2009 BD Closest Approach To Earth (0.363 AU)
- Jul 13 – Asteroid 16682 Donati Closest Approach To Earth (1.337 AU)
- Jul 13 – 20th Anniversary (1995), STS-70 Launch (Space Shuttle Discovery, TDRS-G Deployment)
- Jul 13-14 – Meeting: Review of Spacecraft Exposure Guidelines for Air and Water Contaminants, Washington DC
- Jul 13-15 – United Kingdom Space Conference 2015: Space-enabled Futures, Liverpool, United Kingdom
- Jul 13-16 – International Meeting: Accurate Astrophysics. Correct Cosmology, London, United Kingdom
- Jul 13-17 – Conference: Pathways Towards Habitable Planets II, Berne, Switzerland
- Jul 13-17 – Conference: From the Dolomites to Event Horizon – Sledging Ledging Down the Black Hole Potential Well, Sexten, Italy
- Jul 13-17 – Paving the Way to Simultaneous Multiwavelength Astronomy, Leiden, The Netherlands
- Jul 13-17 – 1st Carnegie Symposium in Honor of Leonard Searle: Understanding Nebular Emission in High-Redshift Galaxies – Massive Stars, Chemical Abundances, and Photoionization Modeling, Pasadena, California
- Jul 13-17 – Workshop on Uncertainty Quantification in Climate Modeling and Projection, Trieste, Italy
- Jul 13-17 – Conference: Integrability in Gauge and String Theory, London, United Kingdom
- Jul 13-17 – 2015 Lunar Workshop for Educators, Greenbelt, Maryland
- Jul 13-17 – Precipitation Measurment Missions (PMM) Science Team Meeting, Baltimore, Maryland
- Jul 13-24 – CISM Space Weather Summer School, Boulder, Colorado
- Jul 13-31 – Copernicus Series: An Endogenously-Powered Space Elevator, Budapest, Hungary
- Jul 14 -[Jun 20] New Horizons, Pluto Flyby
- Jul 14 – Comet 139P/Vaisala-Oterma At Opposition (3.780 AU)
- Jul 14 – Asteroid 2577 Litva Closest Approach To Earth (1.281 AU)
- Jul 14 – Asteroid 11885 Summanus Closest Approach To Earth (1.887 AU)
- Jul 14 – 50th Anniversary (1965), Mariner 4, Mars Flyby
- Jul 14-15 – UK Space Conference 2015, Liverpool, United Kingdom
- Jul 14-16 – East-Asia AGN Workshop 2015, Changchun, China
- Jul 14-17 – Workshop on Geometry of Graviton Scattering Amplitudes, Nottingham, United Kingdom
- Jul 15 – GPS 2F-10 Atlas 5 Launch
- Jul 15 – Asteroid 2011 YC29 Near-Earth Flyby (0.063 AU)
- Jul 15 – Asteroid 385186 (1994 AW1) Near-Earth Flyby (0.065 AU)
- Jul 15 – Asteroid 6123 Aristoteles Closest Approach To Earth (1.265 AU)
- Jul 15 – Asteroid 4442 Garcia Closest Approach To Earth (2.058 AU)
- Jul 15-19 – Golden State Star Party, Adin, California
- Jul 15-19 – 13th Annual Indiana Family Star Party and Greatcon 2015, Mulberry, Indiana
- Jul 15-25 – Australian Centre for Astrobiology "Grand Tour", Australia
- Jul 16 – Mercury Passes 0.1 Degrees From Mars
- Jul 16 – Comet 141P/Machholz Closest Approach To Earth (0.687 AU)
- Jul 16 – Comet 141P-A/Machholz Closest Approach To Earth (0.689 AU)
- Jul 16 – Comet C/2015 F4 (Jacques) Closest Approach To Earth (0.754 AU)
- Jul 16 – Comet 324P/La Sagra At Opposition (1.683 AU)
- Jul 16 – Comet C/2014 E2 (Jacques) At Opposition (4.228 AU)
- Jul 16 – Comet P/2015 D6 (Lemmon-PANSTARRS) Perihelion (4.565 AU)
- Jul 16 – Asteroid 2015 JJ2 Near-Earth Flyby (0.090 AU)
- Jul 16 – Asteroid 2187 La Silla Closest Approach To Earth (1.371 AU)
- Jul 16 – Asteroid 163800 Richardnorton Closest Approach To Earth (1.646 AU)
- Jul 16 – Lecture: Discovery at Mars, Pasadena, California
- Jul 16 – 25th Anniversary (1990), Badr-A Launch (1st Pakistan Satellite)
- Jul 16 – 50th Anniversary (1965), 1st Proton Rocket Launch (USSR)
- Jul 16-18 – NewSpace 2015 Conference, Silicon Valley, California
- Jul 16-18 – International Symposium on Physics of Photons (ISPP 15), Lanzhou, China
- Jul 16-22 – Summer School of Particle and Astroparticle, Annecy-le-Vieux, France
- Jul 16-24 – School: Introduction to Cosmology, Kielce, Poland
- Jul 17 – Comet P/2015 A3 (PANSTARRS) At Opposition (1.233 AU)
- Jul 17 – Asteroid 23990 Springsteen Closest Approach To Earth (1.173 AU)
- Jul 17 – Asteroid 12325 Bogota Closest Approach To Earth (1.407 AU)
- Jul 17 – Lecture: Discovery at Mars, Pasadena, California
- Jul 17 – 40th Anniversary (1975), Apollo-Soyuz Handshake
- Jul 17 – 165th Anniversary (1850), Harvard Observatory Takes 1st Photograph of a Star (Vega)
- Jul 17-19 – 2015 Alberta Star-B-Q, Caroline, Alberta, Canada
- Jul 18 – Comet P/2009 WX51 (Catalina) Closest Approach To Earth (1.515 AU)
- Jul 18 – Comet 255P/Levy At Opposition (3.674 AU)
- Jul 18 – Asteroid 242191 (2003 NZ6) Near-Earth Flyby (0.083 AU)
- Jul 18 – Asteroid 163693 Atira Closest Approach To Earth (0.440 AU)
- Jul 18 – Asteroid 193 Ambrosia Closest Approach To Earth (2.118 AU)
- Jul 18 – Space Exposition: Moon Day 2015, Dallas, Texas
- Jul 18 – Space Imagery Center at the Lunar and Planetary Laboratory (LPL) Open House: Summer Science Saturday, Tuscon, Arizona
- Jul 18 – Carlsbad Caverns National Park Star Party, Carlsbad, New Mexico
- Jul 18 – 35th Anniversary (1980), Rohini 1 Launch (India's 1st Satellite)
- Jul 18 – 50th Anniversary (1965), Zond 3 Launch (USSR Moon Flyby)
- Jul 19 – Moon Occults Venus
- Jul 19 – Comet 324P/La Sagra Closest Approach To Earth (1.682 AU)
- Jul 19 – Comet 135P/Vaisala-Oterma At Opposition (2.026 AU)
- Jul 19 – Asteroid 436724 (2011 UW158) Near-Earth Flyby (0.016 AU)
- Jul 19 – Asteroid 5641 McCleese Closest Approach To Earth (0.820 AU)
- Jul 19 – Asteroid 10799 Yucatan Closest Approach To Earth (1.215 AU)
- Jul 19 – Asteroid 9885 Linux Closest Approach To Earth (1.494 AU)
- Jul 19 – Asteroid 69230 Hermes Closest Approach To Earth (1.649 AU)
- Jul 19 – Asteroid 9954 Brachiosaurus Closest Approach To Earth (1.901 AU)
- Jul 19 – Centaur Object 37117 Narcissus At Opposition (6.594 AU)
- Jul 19-23 – 2nd International Congress on Stratigraphy (STRATI 2015), Graz, Austria
- Jul 19-24 – 7th Meeting on Hot Subdwarfs and Related Objects, Oxford, United Kingdom
- Jul 19-24 – 19th Global Learning and Observations to Benefit the Environment (GLOBE) Annual Partner Meeting, Los Angeles, California
- Jul 19-25 – Conference: Planetary Systems – A Synergistic View, Quy Nhon, Vietnam
- Jul 20 – LilacSat 2/Tiantuo-3/XW-2/ ZDPS 2A & 2B CZ-6 Launch
- Jul 20 – Comet C/2014 Q1 (PANSTARRS) Closest Approach To Earth (1.183 AU)
- Jul 20 – Comet 90P/Gehrels At Opposition (4.232 AU)
- Jul 20 – Asteroid 2013 BQ18 Near-Earth Flyby (0.020 AU)
- Jul 20 – Asteroid 2825 Crosby Closest Approach To Earth (1.363 AU)
- Jul 20 – Asteroid 19367 Pink Floyd Closest Approach To Earth (1.469 AU)
- Jul 20 – Asteroid 7359 Messier Closest Approach To Earth (2.138 AU)
- Jul 20 – Asteroid 2044 Wirt Closest Approach To Earth (2.240 AU)
- Jul 20 – Asteroid 83982 Crantor At Opposition (16.582)
- Jul 20 – 6th Annual Lunar and Small Bodies Graduate Conference (LunGradCon 2015), Mountain View, California
- Jul 20 – 15th Anniversary (2000), Discovery of Jupiter Moon Callirrhoe
- Jul 20-23 – Quantum Gravity Meeting, Rome, Italy
- Jul 20-23 – Tropical Troposphere-Stratosphere Science Meeting, Boulder, Colorado
- Jul 20-24 – Conference: The Outcome of Project T-REX, The Italian Progetto Premiale for E-ELT, Sexten, Italy
- Jul 20-24 – Alpine Cosmology Workshop 2015, Silvretta, Austria
- Jul 20-24 – Conference: Theoretical and Observational Progress on Large-scale Structure of the Universe, Garching, Germany
- Jul 20-24 – 14th Italian-Korean Symposium on Relativistic Astrophysics, Pescara, Italy
- Jul 20-24 – 2nd Karl Schwarzschild Meeting on Gravitational Physics, Frankfurt, Germany
- Jul 20-24 – 16th International Science Team Meeting (GHRSST XVI), Noordwijk, The Netherlands
- Jul 20-24 – KROME Computational Astrochemistry School 2015, Copenhagen, Denmark
- Jul 20-31 – Workshop: Quantum Fields and IR Issues in de Sitter Space, Natal, Brazil
- Jul 20-31 – Course: Advanced Topics in String Theory, Hamburg, Germany
- Jul 20-31 – School on Modelling Tools and Capacity Building in Climate and Public Health, Rio de Janeiro, Brazil
- Jul 20-Aug 14 – MITP Program: Crossroads of Neutrino Physics, Mainz, Germany
- Jul 21 – Comet P/2015 J3 (NEOWISE) Closest Approach To Earth (1.085 AU)
- Jul 21 – Comet 25D/Neujmin Closest Approach To Earth (2.974 AU)
- Jul 21 – Asteroid 2010 PR66 Near-Earth Flyby (0.063 AU)
- Jul 21 – Asteroid 96193 Edmonton Closest Approach To Earth (1.615 AU)
- Jul 21 – Asteroid 17023 Abbott Closest Approach To Earth (1.696 AU)
- Jul 21 – Jean Picard's 395th Birthday (1620)
- Jul 21-23 – 2nd Annual NASA Exploration Science Forum (ESF), Moffett Field, California
- Jul 21-23 – 7th Coronal Loop Workshop: Heating of the Magnetically Closed Corona, Cambridge, United Kingdom
- Jul 21-24 – Workshop: Numerical Approaches to the Holographic Principle, Quantum Gravity and Cosmology, Kyoto, Japan
- Jul 21-25 -[Jun 19] Neutrino Theory and Phenomenology Workshop, Batavia, Illinois
- Jul 22 -[Jun 13] Soyuz TMA-17M Soyuz FG Launch (International Space Station 44S)
- Jul 22 -[Jun 18] Wideband Gapfiller Satellite (WGS-7) Delta 4 Launch
- Jul 22 -[Jun 20] Colloquium: New Insights Into How the Galaxy-Black Hole Connection Works, Sydney, Australia
- Jul 22-24 – 19th Paris Cosmology Colloquium 2015, Paris, France
- Jul 22-29 – 2015 European Physical Society Conference on High Energy Physics, Vienna, Austria
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