Wednesday, April 23, 2014

50 mag 25 TNO per sq deg

聰明的天文學家如何從 1/3 平方度的哈勃存檔舊照片中,發現14 顆 25、26 等 TNO!

http://www.universetoday.com/73501/astronomers-find-14-new-trans-neptunian-objects-hiding-in-hubble-data/