https://padlet.com/taguet_caro/su49o4lwtije head in the stars en-us 2018-09-24 20:30:22 UTC 2018-09-24 20:37:21 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Optimplaces.png taguet_caro https://padlet.com/taguet_caro/su49o4lwtije/wish/285256222 A galaxy is an assemblage of stars, gases, dust, and perhaps mostly dark matter, sometimes containing a supermassive black hole at its center.

The Milky Way, the galaxy in which the Solar System is located, has a few hundred billion stars (1011) 1,2 and has an extension of the order of 80,000 light-years]]> 2018-09-24 20:34:12 UTC https://padlet.com/taguet_caro/su49o4lwtije/wish/285256222 taguet_caro https://padlet.com/taguet_caro/su49o4lwtije/wish/285256853 A report from the European space mission Gaia released the position of 1,692,919,135 stars in our galaxy on April 25, 2018, which represents 1% of the total number of stars in our galaxy3. Most typical galaxies have a similar number of stars, but there are also dwarf galaxies with about ten billion stars (1010) 1, and giant galaxies with several thousand billion stars (1012). ).]]> 2018-09-24 20:37:04 UTC https://padlet.com/taguet_caro/su49o4lwtije/wish/285256853