The Life of Stars

The Life of Stars

Stars are large spheres or spheroids made of plasma, which is bound by the gravitational force of itself. Plasma is considered the fourth state of matter. It’s the fine point where an object is neither liquid, gas, nor solid. Effectively, we can categorise it as a...
Understanding Redshift

Understanding Redshift

Redshift is how scientists understand the rate of universal expansion, and how the universe actually expands in the first place. the expansion of the universe was first theorized by Edwin Hubble.     Scientists had always been curious about whether the...