Universe Test 1

Front

What does the universe include?

Back

All matter and space that exists.

Front

Which type of galaxy is the Milky Way?

Back

Spiral.

Front

What is our galaxy?

Back

The Milky Way.

Front

What is a light year?

Back

A distance unit.

Front

What is a moon?

Back

A natural satellite that orbits a planet.

Front

What is a galaxy?

Back

A large system of stars, gas, dust, and dark matter bound together by gravity.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is the solar system?

Back

A collection of planets and other celestial bodies that orbit a star, specifically the Sun.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, keeping planets in orbit around stars.

Front

What is a comet?

Back

A small celestial body made of ice, dust, and rocky material that orbits the Sun.