The Structure of the Solar System

Front

What is a meteor?

Back

A chunk of rock that burns up upon entering a planet's atmosphere.

Front

Which planet takes the shortest time to revolve around the sun?

Back

Mercury.

Front

What is at the other focus of the Earth's orbit if the Sun is at one focus?

Back

Empty space.

Front

Identify the outer planet: Mercury, Venus, Neptune, Earth.

Back

Neptune.

Front

What is an Astronomical Unit?

Back

The distance from the Sun to the Earth.

Front

What is a comet?

Back

A celestial object made of ice and dust that, when passing close to the Sun, develops a tail.

Front

What is the asteroid belt?

Back

A region of space between Mars and Jupiter where most asteroids are found.

Front

What defines a planet?

Back

A celestial body that orbits the Sun, is spherical in shape, and has cleared its orbit of other debris.

Front

What is the largest planet in our solar system?

Back

Jupiter.

Front

What is the difference between a meteoroid and a meteor?

Back

A meteoroid is a small rock or particle in space, while a meteor is the streak of light produced when a meteoroid burns up in the atmosphere.