Unit 6 Solar System and Beyond

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

What is a comet?

Back

A celestial object consisting of a nucleus of ice and dust that forms a tail of gas and dust particles when near the sun.

Front

What is an eclipse?

Back

The partial or total blocking of one object in space by another.

Front

What is a lunar eclipse?

Back

The blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon, happening during a full moon.

Front

What is the umbra?

Back

The very darkest part of the moon's shadow during an eclipse.

Front

What is an asteroid?

Back

A small rocky body that orbits the sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is a meteor?

Back

A small particle from space that burns up upon entering Earth's atmosphere, creating a bright streak of light.

Front

What is a meteorite?

Back

A meteor that survives its passage through the atmosphere and lands on Earth.

Front

What is the solar system?

Back

A collection of celestial bodies, including the sun, planets, moons, asteroids, comets, and meteoroids, that are bound by gravity.

Front

What is a planet?

Back

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