Space Science Semester 1 Review

Front

What was Johannes Kepler's role with Tycho Brahe?

Back

Kepler was hired to make mathematical sense of the data.

Front

What is the primary process that generates most of the sun’s energy?

Back

Nuclear fusion.

Front

Which planets are relatively small and primarily made out of silicate minerals?

Back

Terrestrial planets.

Front

What is the Moon classified as?

Back

Natural satellite.

Front

What happens to the time it takes for a planet to revolve around the sun as the distance from the sun increases?

Back

It takes more time to revolve around the sun.

Front

Define nuclear fusion.

Back

A process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What are gas giants?

Back

Large planets that are primarily composed of hydrogen and helium.

Front

What distinguishes terrestrial planets from gas giants?

Back

Terrestrial planets are rocky and have solid surfaces, while gas giants do not.

Front

What is a natural satellite?

Back

A celestial body that orbits a planet.

Front

Name the four terrestrial planets in our solar system.

Back

Mercury, Venus, Earth, and Mars.