Advertisement ยท 728 ร— 90
#
Hashtag
#SpaceHazards
Advertisement ยท 728 ร— 90
Original post on mastodon.social

Near-Earth supernova (Earth ๐ŸŒ)

A near-Earth supernova is an explosion resulting from the death of a star that occurs close enough to the Earth, less than roughly 10 to 300 parsecs away, to have noticeable effects on its biosphere. An estimated 20 supernova explosions have happened within 300 pc [โ€ฆ]

0 0 0 0

5/7 The asteroid initially caused concern when discovered in early 2025, with astronomers calculating a 1-in-83 chance of Earth impact. Experts cautioned the odds would likely decrease, which proved correct by February when risk fell to near zero.
#SpaceHazards #AsteroidTracking

0 0 1 0