#nebula

science  What is the difference between a galaxy and a nebula?

Galaxies and nebulae are two different objects found in space. Galaxies are large systems of stars, planets, and gas held together by gravity. On the...    Read more

brightness_2  What is a nebula?

A nebula is a giant cloud of dust, hydrogen, helium, and other ionized gases in space. They can be described as a nursery for stars, as they are the...    Read more