Browsing: Black Hole

Galaxies are vast cosmic structures composed of billions or trillions of stars, gas, dust, and…

Definition: A supernova remnant (SNR) is a region of space that was once the site…

In the theory of special relativity, the light cone is a four-dimensional (4D) construct that…

What is a Black Hole? A black hole is a region of spacetime where gravity…