You are viewing a single comment's thread from:
RE: "Hubble" photographed Treats "ghost" of the Crab Nebula
And possibly for the story. It is always easier for people who want to know more about it if there is something to click on. In addition, citing his/her sources is a matter of being fair with respect to the original author one has read about :)
I'm sorry, did not understand what to do?
Just indicating where you found the information you based your post on :)
well, to be made