Astronomy

A large, hot star off the main sequence

An older star with a cooler outer layer

The tightly-packed collapsed core of a larger star

A star plotted in the left to right band across the HR diagram

A gravitationally dense region of space-time where nothing can escape, not even light

A stellar core remnant of a low to medium mass star

A cool, small star on the main sequence

The collection of all the matter, space and energy that exists, also known as the cosmos.

A body held together by gravity that is made of millions of stars, gas, and dust

A group of galaxies that are found close together