CloudMashableabout 6 hours ago
Asteroid 1998 SH2 revealed as dark comet
4 min read
Astronomers discovered that the 1,250-foot-wide object 1998 SH2, long classified as an asteroid, is actually a dark comet emitting faint gas that nudged its orbit. The finding blurs the line between asteroids and comets and may increase Earth impact risk estimates from comets.
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