The black hole is very big. It has as much matter as four million Suns! It is also very far away. Dr. Ghez used these telescopes to find it.
Photo Credit: Abbie Warnock-Matthews/Shutterstock
In the Know
Fire Facts
Fire gives off light. Fire gives off heat. People use … read more
In the Know
Rainbows are Magical!
Raindrops are like prisms. When light goes through a prism, … read more
In the Know
A Bridge that Tells Time
This bridge also works as a sundial! Sundials use light … read more