6th - Chapter 6: Space Science - Planets & Stars

Front

What is the Solar System?

Back

The sun and all the bodies traveling around it, including planets, moons, asteroids, and comets.

Front

Which planet has seven major rings around it?

Back

Saturn.

Front

What is Background Radiation?

Back

Radiation left over from the beginning of the universe, often associated with the Big Bang.

Front

What do we call a meteoroid that enters Earth's atmosphere?

Back

Meteor.

Front

What is a Meteorite?

Back

Any part of a meteoroid that reaches Earth's surface.

Front

What is a Planet?

Back

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

Front

What is a Comet?

Back

A small celestial body made of ice, dust, and rocky material that, when close to the sun, displays a visible atmosphere or coma and sometimes a tail.

Front

What is a Meteoroid?

Back

A small rocky or metallic body in outer space, smaller than an asteroid.

Front

What is the Milky Way?

Back

The galaxy that contains our solar system, characterized by its spiral shape.

Front

What is a Star?

Back

A massive, luminous sphere of plasma held together by gravity, undergoing nuclear fusion.