Universe Flashcard #2 Review

Front

Which planet has a ring system?

Back

Saturn is the planet known for its prominent ring system.

Front

How is Uranus different from all other planets in our solar system?

Back

Uranus is unique because its rotation is sideways compared to other planets.

Front

What extraterrestrial object produces a coma and tail as it burns gas and dust when passing close to the Sun?

Back

A comet produces a coma and tail when it approaches the Sun.

Front

What is the smallest extraterrestrial object?

Back

A meteoroid is the smallest type of extraterrestrial object.

Front

What is the difference between a meteor and a meteorite?

Back

A meteor is a meteoroid that burns up in the atmosphere, while a meteorite is a meteoroid that reaches the Earth's surface.

Front

What is a planet?

Back

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

Front

What is the main component of Saturn's rings?

Back

Saturn's rings are primarily composed of ice particles, along with smaller amounts of rocky debris and dust.

Front

What is an asteroid?

Back

An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is a meteoroid?

Back

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

Front

What causes a comet's tail?

Back

A comet's tail is caused by the solar wind and radiation pressure from the Sun, which pushes gas and dust away from the comet.