Galaxies and Gravity

Front

What is the Oort Cloud?

Back

A region of the solar system beyond Neptune's orbit believed to contain many comets, asteroids, and other small icy bodies.

Front

What is an asteroid?

Back

A rocky and metallic object that orbits the Sun, often found in the asteroid belt between Mars and Jupiter.

Front

What force keeps planets in orbit around the Sun?

Back

The gravity of the Sun.

Front

What galaxy contains the Sun and its solar system?

Back

The Milky Way galaxy.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, keeping planets in orbit around stars.

Front

What is the Kuiper Belt?

Back

A region of the solar system beyond Neptune, populated with small icy bodies and dwarf planets.

Front

What is a comet?

Back

An icy body that, when passing close to the Sun, heats up and releases gases, forming a glowing coma and tail.

Front

What is the difference between a meteor and a meteoroid?

Back

A meteoroid is a small rocky or metallic body in space, while a meteor is the streak of light produced when a meteoroid enters Earth's atmosphere.

Front

What is the role of gravity in galaxies?

Back

Gravity holds galaxies together, keeping stars and other celestial bodies in orbit around the galaxy's center.

Front

What is the Milky Way?

Back

A spiral galaxy that contains our solar system and millions of other stars.