A real shooting star! Mira (MY-rah) is a star that scientists have studied for 400 years. But NASA's Galaxy Evolution Explvery surprising image of Mira. It showed for the first time that Mira has a long tail of dust and light-years long!
Rosette Nebula (NASA, Spitzer, This infrared image shows the Rosette nebula, a star-forming region more than 5000 ly away in the constellation Monoceros. Lurking inside this nebula are so-called 'danger zones'. These zones surround super hot stat