Movement in Space Flashcard

Front

What is a star primarily made of?

Back

Stars are primarily made of hydrogen and helium.

Front

What does the heliocentric model describe?

Back

The heliocentric model describes the Sun at the center of the universe.

Front

What is the motion of Earth, other planets, and the sun through space?

Back

The motion of Earth, other planets, and the sun through space is elliptical.

Front

What is a planet?

Back

A planet is an object that orbits a star.

Front

What is a satellite?

Back

A satellite is an object that orbits a planet.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star, while a star is a massive, luminous sphere of plasma.

Front

What is the role of gravity in space movement?

Back

Gravity is the force that keeps planets in orbit around stars and moons in orbit around planets.

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 comet?

Back

A comet is a small icy body that, when passing close to the Sun, heats up and releases gas and dust, forming 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 in space, a meteor is the streak of light produced when a meteoroid enters the Earth's atmosphere, and a meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth.