The albedo of a planet is the fraction of the

The dark colored bands that are seen on Jupiter (and the other jovian planets) are known as

Which of the following is evidence that the Earth orbits around the Sun?

Why is Venus hotter than Mercury, even though Mercury is closer to the sun?

A meteor shower occurs when

What features on Mercury are ancient cliffs as much as 3 km high and referred to as ‘apple-shrinkage’?

Which planets do not have natural satellites (moons)?

The cause of the Mariana Trench on the west coast of the United States is

The composition of Saturn’s rings are

A [meteoroid] is a small bit of asteroid, comet, or planet out and about in the solar system. When one of these pieces enters the Earth’s atmosphere, we see a flash of light and call it a [meteor]. If these bits make it to the surface of the Earth, we call them [meteorites].