The Universe Review

Front

What happens to the wavelength and frequency of light during redshift?

Back

The wavelength increases, and frequency decreases.

Front

What is accretion in the context of nebulae and solar system formation?

Back

Accretion is the process where planets form from debris that sticks together.

Front

What did Edwin Hubble discover about the movement of galaxies?

Back

Galaxies are mostly moving away from us.

Front

What force is responsible for the formation of the solar system?

Back

Gravity is the force responsible for the formation of the solar system.

Front

What is the term for debris in space sticking together due to gravity?

Back

Accretion.

Front

What is a nebula?

Back

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

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the leading explanation for the origin of the universe, stating it began from a singular point and has been expanding ever since.

Front

What is a galaxy?

Back

A galaxy is a massive system that contains stars, star clusters, planetary systems, and interstellar gas and dust, 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 dark matter?

Back

Dark matter is a form of matter that does not emit light or energy, making it invisible and detectable only through its gravitational effects.