Hey everyone, I’m trying to decide between the Celestron AstroMaster 76AZ (reflector) and the AstroMaster 70AZ (refractor) as my first telescope, and I’d really appreciate some advice from people with experience.…
NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) mission has mapped interstellar ice at an
NASA, ESA, CSA, STScI; Image Processing: Joseph DePasquale (STScI) Nebula PMR 1 is a cloud of gas and dust that bears an uncanny resemblance to a brain in a transparent skull, inspiring its nickname, the “Exposed Cranium” nebula.