Space Vocabulary Flashcardizz

Front

What is the definition of an outer planet?

Back

Outer planets are the planets in our solar system that are located beyond the asteroid belt, including Jupiter, Saturn, Uranus, and Neptune.

Front

Which planet is known as the Red Planet?

Back

Mars is known as the Red Planet due to its reddish appearance caused by iron oxide on its surface.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other, keeping planets in orbit around the sun and moons in orbit around planets.

Front

What happens to a meteoroid when it enters Earth's atmosphere?

Back

When a meteoroid enters Earth's atmosphere, it burns up due to friction with the air, creating a bright streak of light known as a meteor.

Front

What is the Oort Cloud?

Back

The Oort Cloud is a theoretical region of space that is believed to contain icy bodies and comets surrounding the solar system.

Front

What is the Kuiper Belt?

Back

The Kuiper Belt is a region of space beyond Neptune that contains many small icy bodies and dwarf planets, including Pluto.

Front

What is a comet?

Back

A comet is a small celestial body made of ice, dust, and rocky material that, when passing close to the sun, develops a glowing coma and tail.

Front

What is the difference between a meteoroid, meteor, and meteorite?

Back

A meteoroid is a small rock or particle from space; a meteor is the flash of light produced when a meteoroid burns up in the atmosphere; a meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth.

Front

What is the main component of the Kuiper Belt objects?

Back

The main component of Kuiper Belt objects is ice, along with rock and other materials.

Front

What keeps the planets in orbit around the sun?

Back

The gravitational force exerted by the sun keeps the planets in orbit around it.