Like anything else, stars have life spans. They are born (from collapsing clouds of interstellar dust), they go through a long main phase where they fuse various elements in their cores, and eventually they die when they run out of fuel. The finer details of these steps are based on what the star is made of, how…
Tag: Phil Plait
Supermoon Returns!
If you haven’t heard, tomorrow (June 23) will bring the closest full Moon of the year, which will make it appear big and bright in the night sky — a so-called “Supermoon.” But what does this really mean and how does it happen? Dr. Michelle Thaller of NASA’s Goddard Space Flight Center explains: While a…