ahlam1399
02-27-2019, 05:33 AM
From Hipparchus to Gaia, the Story of Finding Our Place Among Billions of Stars (https://thewire.in/the-sciences/from-hipparchus-to-gaia-the-story-of-finding-our-place-among-billions-of-stars) The WireAlthough astrometry is over 2200 years old, it wasn't until 1807 when we truly realised just how far away stars really were.
أكثر... (https://thewire.in/the-sciences/from-hipparchus-to-gaia-the-story-of-finding-our-place-among-billions-of-stars)
أكثر... (https://thewire.in/the-sciences/from-hipparchus-to-gaia-the-story-of-finding-our-place-among-billions-of-stars)