As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous supernova remnant. The Veil Nebula is roughly 2,400 light-years away in ...

Helix Nebula: This a planetary nebula, which is formed when a star like the Sun runs out of fuel, expands and its outer layers puff off, and then the core of the star shrinks. Orion Nebula ...