Aug. 15 (UPI) --Backyard stargazers have discovered an object moving at more than a million mph through space, an interstellar phenomenon that typically takes the resources of high-tech observatories, ...
X-ray telescopes like Chandra are not like the telescopes you find in backyards or at the local observatory. In addition to being above the Earth's atmosphere, they need to have special mirrors to ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results