1.2.3: The beginning of Astrophysics

​https://www.youtube.com/watch?v=h4OnBYrbCjY

Multiple Choice

What is Hubble's law?

• Galaxies are moving away from each other at a rate constant to the distance between them.

• Galaxies are moving closer together at a rate constant to the distance between them.

Multiple Choice

Which of the following best describes a black hole?

• a vacuum cleaner

• A region of space where light cannot escape

Match

Match the following

• Herschel

• Einstein

• Hubble

• Hawking

Uranus

Relativity

Andromeda

Radiation emitted by black holes

• Uranus

• Relativity

• Andromeda

• Radiation emitted by black holes