#astronomynerd — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #astronomynerd, aggregated by home.social.
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About 13.8 billion years ago the #universe expanded faster than the speed of #light for a fraction of a second in a period called #cosmic inflation.
#astronomy #astronomytalk #astronomynerd #astronomyoftheday #bigbangtheory #astronomyatmastodon -
Saturn's rings are 90% water
Saturn is home to the Solar System’s most epic ice rink. Being so far from the Sun, the water in its rings is frozen into ice. It is one of four planets that have rings around them - the other gas planets do too. However, the rest were undiscovered until the 1970s when probes went to explore them. Saturn’s were the first rings seen through telescopes from Earth.
#astronomy #astronomyoftheday #astronomyfact #astronomynerd #astronomyeducation #mastadonastronomy