2 news items about "天文"

6 hours before

NASA has confirmed that the newly discovered interstellar object is a comet heading towards the area between Mars and Earth, but poses no threat.

Sources

Science IT&C

29 October 18:05

Astronomers have identified a black hole that may have formed in a gentler process than a supernova, as part of a triple system.

Sources

Science IT&C

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