2I/Borisov
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2I/Borisov, originally designated C/2019 Q4, is the first observed rogue comet and the second observed interstellar interloper, after ʻOumuamua. It was discovered by the Crimean amateur astronomer and
Borisov approaches the ecliptic plane between the orbits of Jupiter (pink) and Mars (orange).
Black hole Messier 87
Esa hubble k 2 18a impression
Hyakutake Color
1I/ʻOumuamua
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1I/ʻOumuamua is the first confirmed interstellar object detected passing through the Solar System. Formally designated 1I/2017 U1, it was discovered by Canadian physicist Robert Weryk using the Pan-ST
2I/Borisov
…2I/Borisov, originally designated C/2019 Q4 (Borisov), is the first observed rogue comet and the second observed interstellar interloper, after ʻOumuamua. It was discovered by the Crimean amateur astronomer and telescope maker Gennadiy Borisov on 29 August 2019 UTC (30 August local time) in MARGO…
ʻOumuamua on 28 October 2017
Artist's impression of a cigar-shaped ʻOumuamua
PIA21423 Surface of TRAPPIST 1f
Eso 1733s Artist's impression of merging neutron stars