Semester Review: Astronomy

Front

What is the solar system?

Back

The solar system is a collection of celestial bodies, including the Sun, planets, moons, asteroids, comets, and meteoroids, that are bound by gravity.

Front

Why is it difficult to create a model of the solar system?

Back

The solar system is so big and the objects in it are so small in comparison.

Front

What is the Heliocentric Theory?

Back

The Heliocentric Theory is the model of the solar system that states that the Sun is at the center, and the planets, including Earth, revolve around it.

Front

What is the gravitational pull of the Sun?

Back

The gravitational pull of the Sun is the force that keeps the planets and other objects in orbit around it.

Front

What are gas giant planets?

Back

Gas giant planets are large planets that are primarily composed of hydrogen and helium, with no solid surface. The gas giants in our solar system are Jupiter, Saturn, Uranus, and Neptune.

Front

What phase of the moon is when it is not visible from Earth?

Back

The New Moon phase is when the moon is not visible from Earth.

Front

What is the significance of the Full Moon?

Back

The Full Moon phase occurs when the entire face of the moon is illuminated by the Sun, making it fully visible from Earth.

Front

What is the difference between a waxing and waning moon?

Back

A waxing moon is when the visible portion of the moon is increasing, while a waning moon is when the visible portion is decreasing.

Front

What are the inner planets?

Back

The inner planets, also known as terrestrial planets, are Mercury, Venus, Earth, and Mars. They are rocky and smaller than the outer planets.

Front

What is an asteroid?

Back

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