Stars, Galaxies and The Universe

Front

What filled the universe after the original explosion according to the Big Bang theory?

Back

Cosmic background radiation.

Front

What does the Big Bang theory suggest about the universe?

Back

The universe is continually expanding.

Front

Why does the moon appear larger than the stars?

Back

The moon is closer to Earth than the stars.

Front

Order the stars from hottest to coolest: Blue, Red, White, Yellow, Orange.

Back

Blue, White, Yellow, Orange, Red.

Front

What is the Universe?

Back

The entirety of space, time, matter, energy, and the physical laws and constants that govern them.

Front

What is a galaxy?

Back

A group of stars that are close together in space and bound by gravity.

Front

What is a nebula?

Back

A giant cloud of dust and gas in space, often the birthplace of stars.

Front

What is a black hole?

Back

A region in space where gravity is so strong that nothing, not even light, can escape from its pull.

Front

What is the Milky Way?

Back

The galaxy that contains our solar system.

Front

What is a star?

Back

A massive, luminous sphere of plasma held together by gravity, undergoing nuclear fusion.