[youtube= The fact that we've found a habitable planet candidate so soon after starting our search has important implications for the number of habitable planets that may exist in our galaxy - which was estimated to be around…
NGC 2683: Spiral Edge-On Credit: Data: Hubble Legacy Archive, ESA, NASA; Processing: Nikolaus Sulzenauer Explanation: Does spiral galaxy NGC 2683 have a bar across its center? Being so nearly like our own barred Milky Way Galaxy, one might…
This post is an attempt to reply to part of this question posted on Twitter by Ed Betterley. [youtube= [youtube= Oh! The process by which new oxygen is produced is called Photosynthesis. [youtube= As for your last question,…
