miao12 (31)in #alien • yesterdayIs it time to prepare? Swiss astronomers warn that humans will discover aliens before 2047Are there really aliens in the universe? Since humans began exploring space, this question has always been…miao12 (31)in #universe • yesterdayAstronomers: 95% of the universe is invisible, what secrets are hidden behind this?According to the Big Bang universe model, the origin of the universe is an incredible thing: 13.82 billion years ago…miao12 (31)in #universe • yesterdayCan't leave the Milky Way? We need 17600 years to fly out of the solar systemThe Milky Way is a cluster formed by the aggregation of stars, with the main members being stars. The Milky Way…
