Which planet is known as the Red Planet?
Mars is called the Red Planet because of its reddish color from iron oxide (rust).
What is found at the center of most galaxies, including the Milky Way?
A supermassive black hole.
What is the boundary around a black hole called, beyond which nothing can escape?
The event horizon.
What is the center of our solar system?
The center of our solar system is the Sun, which all planets orbit.
About how long does it take our solar system to orbit the center of the Milky Way?
Hint: Over 200 million years
About 225–250 million years (one “galactic year”).
What effect does a black hole have on time near it, according to Einstein’s theory?
Time slows down near a black hole due to extreme gravity (gravitational time dilation from the Theory of Relativity).