2018 in space

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2017 • 2018 in space • 2019
Space probe
launches
TESS (lunar flyby; Apr 2018) • InSight / Mars Cube One (mission to Mars; May 2018) • Parker Solar Probe (solar space mission; Aug 2018) • BepiColombo (mission to Mercury; Oct 2018) • Chang'e 4 / Yutu-2 (mission to the Moon; Dec 2018)
Impact events 2018 LA • Kamchatka meteor
Selected NEOs Asteroid close approaches • 2010 WC9 • 2017 VR12 • 2017 YE5 • 2017 YZ1 • 2018 AH • 2018 BD • 2018 BF3 • 2018 CB • 2018 CC • (276033) 2002 AJ129 • (505657) 2014 SR339 • 2018 CF2 • 2018 CL • 2018 CN2 • 2018 CY2 • 2018 DV1 • 2018 GE3 • 2018 PD20 • 2018 LF16 • 2018 WV1 • (163899) 2003 SD220
Exoplanets Gliese 1132 c • possible exomoon Kepler-1625b I • K2-141b • K2-146b • K2-148b • K2-155d • K2-229b • K2-239b • K2-239c • K2-239d • K2-288Bb • Barnard's Star b • EPIC 211945201 b • HD 89345 b • KELT-21b • NGTS-3Ab
Discoveries LSPM J0207+3331 • VVV-WIT-07 • MACS J1149 Lensed Star 1 • 10 moons of Jupiter • 541132 Leleākūhonua (announced) • Hyperion proto-supercluster • 2MASS J18082002−5104378 • Farout (2018 VG18) • FarFarOut (2018 AG37 first imaged)
Novae V357 Muscae (Nova Muscae) • V906 Carinae (Nova Carinae) • V392 Persei (Nova Persei) • SN 2018cow
Comets C/2017 T1 (Heinze) • C/2017 U7 • C/2018 C2 (Lemmon) • 37P/Forbes • 66P/du Toit • 64P/Swift-Gehrels • 38P/Stephan-Oterma • C/2018 F4 (PANSTARRS) • C/2018 V1 (Machholz-Fujikawa-Iwamoto) • 46P/Wirtanen
Space exploration Hayabusa2 (asteroid Ryugu arrival; Jun 2018) • Kepler retirement (Oct 2018) • InSight (Mars landing; Oct 2018) • Dawn retirement (Nov 2018) • OSIRIS-REx (asteroid Bennu arrival; Dec 2018) • Voyager 2 (enters interstellar space; Dec 2018) • New Horizons (encounter with 486958 Arrokoth; Dec 2018 / Jan 2019)
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