Astronomy End of Unit Review

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are closer to the Sun and are rocky.

Front

What are the outer planets also known as?

Back

The outer planets are also known as gas giants.

Front

Which planet is the largest in our solar system?

Back

Jupiter is the largest planet in our solar system.

Front

What is a dwarf planet?

Back

A dwarf planet is a celestial body that orbits the Sun, has not cleared its orbital neighborhood, and is not a satellite.

Front

What is a characteristic of a dwarf planet?

Back

A characteristic of a dwarf planet is that it orbits the Sun.

Front

What does it mean for a planet to have cleared its orbital neighborhood?

Back

It means the planet has become gravitationally dominant in its orbit and has removed smaller bodies near its orbit.

Front

What is a waxing crescent moon?

Back

A waxing crescent moon is the phase of the moon when it is less than half illuminated and is increasing in illumination.

Front

Which side of the moon is illuminated during a waxing crescent?

Back

The right side of the moon is illuminated during a waxing crescent.

Front

What are the main components of our solar system?

Back

The main components of our solar system include the Sun, planets, moons, asteroids, comets, and dwarf planets.

Front

What is the difference between a planet and a dwarf planet?

Back

A planet has cleared its orbital neighborhood, while a dwarf planet has not.