I push for early discovery in my cases to get the facts of the case on the table as soon as possible. (sparksesq.com)
How do you think the first of our species discovered fire, music and any other early discovery that wasn't written down when the discovery was made? (religion.blogs.cnn.com)
Chandra X-ray Observatory Center Background about earlier discovery of x-rays from galaxy's black hole Technical report on previous Chandra observations of Sagittarius A * NASA article on x-ray flare (sciencemag.org)