| 2020 in space |
Space probe
launches
| Solar Orbiter (Feb 2020) • Hope (Jul 2020) • Tianwen-1 (Jul 2020) • Mars 2020 (Jul 2020) • Perseverance rover • Mars Helicopter Ingenuity • Chang'e 5 (lunar sample return mission; Nov 2020) |
| Impact events
| 2020 Syracuse meteor |
| Impact events
| Asteroid close approaches • 2020 AV2 • 2020 BX12 • 2020 CW • 2020 CD3 (temporary satellite) • (52768) 1998 OR2 • 2020 HS7 • 2020 JJ • 2020 LD • (163348) 2002 NN4 • 2020 OY4 • 2020 QG • 2011 ES4 • 2018 VP1 • 2020 SO (space debris) • 2020 SW • 2020 SL1 • 2020 UA • 2020 VV • 2020 VT4 • (153201) 2000 WO107 • (501647) 2014 SD224 • 2020 XL5 |
Exoplanets
| AU Mic b • Gliese 229 Ac • Gliese 433 (b • c • d) • GJ 1151 b radio emissions • K2-315b • Kepler-1649c • KOI-456.04 • Lacaille 9352 (b • c) • M51-ULS-1b • OGLE-2016-BLG-1928 (rogue planet) • Tau Ceti j (predicted) • TOI-561 (b • c • d • e) • TOI 700 (b • c • d) • TOI 732 (b • c) • TOI 1338 b • TOI 1339 (b • c • d) • TYC 8998-760-1 c • WD 1856+534 b |
| Discoveries
| Betelgeuse dimming • FRB 180916 location and periodicity • Radcliffe wave • Ophiuchus Supercluster explosion • PSO J03094+27 (distant blazar) • 2MASS J1047+21 wind speed measurements • SGR 1935+2154 (soft gamma ray repeater) • HR 6819 black hole hypothesis • PHL 293B ending of P Cygni profile hydrogen emission lines • Swift J1818.0-1607 (young magnetar) • GW190814 (announced) • South Pole Wall • GW190521 (announced) • Phosphine detection in the atmosphere of Venus • Water detection on the sunlit surface of the Moon |
Comets
| C/2019 Y4 (ATLAS) • C/2017 T2 (PANSTARRS) • C/2020 F8 (SWAN) • C/2019 U6 (LEMMON) • C/2020 F3 (NEOWISE) • 2P/Encke • 88P/Howell |
Space
exploration
|
Spitzer retirement (Jan 2020) • BepiColombo (Earth gravity assist; Apr 2020 • Venus gravity assist; Oct 2020) • OSIRIS-REx (sample collection from asteroid Bennu; Oct 2020) • Hayabusa2 (sample return from asteroid Ryugu; Dec 2020) • Chang'e 5 (lunar sample return; Dec 2020) •
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