Category:2017 in space

v t e 2017 in space
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Space probe launches	ASTERIA (miniature space telescope; August 2017)
Impact events	Bolides in 2017 2017 China bolide
Selected NEOs	Asteroid close approaches 2017 AG13 2017 BS5 2017 BQ6 2016 WF9 2014 JO25 2017 OO1 2017 QP1 3122 Florence 2017 SX17 2012 TC4 2017 TD6 2017 VL2 2017 VW13 2017 XO2 3200 Phaethon
Exoplanets	HATS-36b HD 113996 b KELT-18b Kepler-19d Kepler-80g Kepler-90i K2-66b K2-138b LHS 1140 b Luyten b NGTS-1b OGLE-2016-BLG-1190Lb OGLE-2016-BLG-1195Lb Ross 128 b Tau Ceti g h TRAPPIST-1 e f g h dark albedo of WASP-12b WASP-107b YZ Ceti b c d
Discoveries	GW170104 Ring of Haumea 2 moons of Jupiter GW170608 Saraswati Supercluster GW170814 IGR J17329-2731 (X-ray source) GW170817 neutron star merger ʻOumuamua ULAS J1342+0928 RZ Piscium
Comets	C/2016 U1 (NEOWISE) 41P/Tuttle–Giacobini–Kresák 103P/Hartley C/2015 ER₆₁ (PanSTARRS) C/2015 V2 (Johnson) P/2006 VW139 C/2017 O1 (ASASSN) 96P/Machholz
Space exploration	Cassini retirement (impacted into Saturn; Sep 2017) OSIRIS-REx (Earth gravity assist; Sep 2017)
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