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 geocentric model describe?

Back

The geocentric model describes the Earth at the center of the universe.

Front

What is a planet?

Back

A planet is an object that orbits a star.

Front

What is a comet?

Back

A comet is a loose collection of ice and dust 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 solar system?

Back

The solar system is a collection of celestial bodies, including the Sun, planets, moons, asteroids, and comets, bound by gravity.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system, composed of billions of stars.

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 it enters the Earth's atmosphere, and a meteorite is a meteoroid that lands on Earth.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, keeping planets in orbit around stars.