Astronomy Ch 8 Vocab Flashcard

Front

What is the term used to describe when one celestial object passes in front of another?

Back

Transit

Front

What is Bode's rule?

Back

A math formula that predicts the spacing of planets.

Front

What is an exoplanet?

Back

A planet that is outside of our solar system.

Front

What is the rocky area between Mars and Jupiter known as?

Back

Asteroid Belt.

Front

Which planets are considered outer planets?

Back

Jupiter, Saturn, Uranus, and Neptune.

Front

What is the difference between a planet and a moon?

Back

A planet orbits a star, while a moon orbits a planet.

Front

What is the Kuiper Belt?

Back

A region of the solar system beyond Neptune, filled with small icy bodies.

Front

What is a black hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape.

Front

What is the significance of the Hubble Space Telescope?

Back

It has provided deep space images and helped in understanding the universe's expansion.

Front

What is the main component of the Sun?

Back

Hydrogen, which makes up about 74% of its mass.