2015 in space

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2014 • 2015 in space • 2016
Space probe launches  Space probes SMAP (weather satellite; Jan 2015) • LISA Pathfinder (technology demonstration; Dec 2015)
Space observatories DSCOVR (weather satellite; Feb 2015) • Astrosat (space telescope; Sep 2015)
Impact events 2015 Kerala meteoroid • 2015 Thailand bolide • WT1190F impact
Selected NEOs Asteroid close approaches • 2015 BP513 • (357439) 2004 BL86 • 2015 AZ43 • (523775) 2014 YB35 • 1566 Icarus • 2015 HM10 • 2015 TC25 • 2015 TB145 • 2007 VE191 • (33342) 1998 WT24 • (85989) 1999 JD6 • 2015 SO2
Exoplanets  Aldebaran b • evaporation of Gliese 436 b • Gliese 1132 b • HD 155233 b • HD 164595 b • HD 219134 (b • c • d • f • g? • h?) • HIP 11915 b • K2-3d • K2-18b • K2-22b • K2-24b • K2-24c • KELT-4Ab • Kepler-438b • Kepler-440b • Kepler-442b • Kepler-444 (b • c • d • e • f) • Kepler-451b • Kepler-452b • Kepler-453b • KOI-4878.01 • LkCa 15 b • spectrum of 51 Pegasi b • WASP-121b • Wolf 1061c
Discoveries 2015 BP519 • US 708 • EGS-zs8-1 (announced) • WISE J224607.57−052635.0 • 1SWASP J093010.78+533859.5 • ASASSN-15lh • EGSY8p7 • Tabby's Star • 541132 Leleākūhonua • VFTS 352 contact binary • GW150914 (first observation of gravitational waves) • GW151226
Comets  15P/Finlay • C/2014 Q2 (Lovejoy) • 88P/Howell • C/2015 G2 (MASTER) • C/2013 US10 (Catalina) • 67P/Churyumov-Gerasimenko • 10P/Tempel
Space exploration Rosetta (orbiting comet 67P; Nov 2014 / Mar 2015) • Dawn (Ceres orbit insertion; Mar 2015) • MESSENGER (end of mission; Apr 2015) • New Horizons (flyby of Pluto; Jul 2015) • Akatsuki (Venus orbit insertion; Dec 2015)
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