Supernovae is the plural form of supernova. They are the more brightening stars that signals the start of the end is known as supernovae. Black hole is an object with a gravitational field where gravity is so...

‘Nebula’ is a singular term, and ‘nebulae’ is a plural of nebula. Nebula is referred for extended objects consisting mostly of gas and dust.

Nebula is a cloud in deep space consisting of gas or dirt/dust (e.g. cloud formed after a star explodes). A star is a luminous celestial body that has a spherical shape. It is made up of plasma, hydrogen,...

Nebula is a cloud in deep space consisting of gas or dirt/dust (e.g. cloud formed after a star explodes). Before the last sequence, a star has slender large amount of clouds of hydrogen, helium and dust, which...

Pulsar is a rotating neutron star, that is highly magnetized and it emits a beam of electromagnetic radiation. Quasar stands for quasi-stellar object and that refers to any of the celestial object that is...