Universe Test Review (8.8 Science TeKs)

Front

What does it mean when an object is red shifted?

Back

Its light waves are farther apart.

Front

Rank the following objects from smallest to largest: Galaxy, planet, nebula, moon, Star.

Back

Moon, Planet, Star, Nebula, Galaxy.

Front

What is a nebula?

Back

A collection of gases that can form stars, or a result of a dying star.

Front

What is the temperature of star C?

Back

4,000 K.

Front

What does the Big Bang Theory explain?

Back

The origin of the Universe as a rapid expansion from a single dense point.

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.

Front

What is a planet?

Back

A celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.

Front

What is a star?

Back

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

Front

What is a moon?

Back

A natural satellite that orbits a planet.

Front

What is the difference between a nebula and a galaxy?

Back

A nebula is a cloud of gas and dust, while a galaxy is a large system containing many stars, nebulae, and other celestial bodies.