Solar System Properties

Front

What is the largest astronomical structure in the universe?

Back

The universe itself.

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 solar system?

Back

A collection of celestial bodies, including a star and the objects that orbit it, such as planets, moons, asteroids, and comets.

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 moon?

Back

A natural satellite that orbits a planet.

Front

What is the difference between inner and outer planets?

Back

Inner planets are rocky and closer to the Sun, while outer planets are gas giants and farther from the Sun.

Front

What is the significance of the distance from the Sun in determining a planet's year?

Back

The farther a planet is from the Sun, the longer it takes to complete one orbit, resulting in a longer year.

Front

What is an asteroid?

Back

A small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is the Pillars of Creation?

Back

A region in the Eagle Nebula known for its stellar nurseries where new stars are born.

Front

What is the role of a planet's atmosphere?

Back

An atmosphere protects a planet's surface from space debris and regulates temperature.