Earth/Space Science

Front

What type of galaxy is the Milky Way?

Back

The Milky Way is a Barred Spiral galaxy.

Front

What units are commonly used to measure the distance of stars?

Back

Light-years are commonly used to measure the distance of stars.

Front

Sort the colors of stars from coolest to hottest.

Back

The order from coolest to hottest is: red, orange, yellow, white, blue.

Front

What do all stars have in common?

Back

All stars are made of hydrogen gas.

Front

What is the force that keeps planets orbiting around the sun?

Back

The gravitational force keeps planets and other celestial bodies orbiting around the sun.

Front

What is a galaxy?

Back

A galaxy is a large system of stars, gas, dust, and dark matter bound together by gravity.

Front

What is the closest star to Earth?

Back

The closest star to Earth is Proxima Centauri.

Front

What is a light-year?

Back

A light-year is the distance that light travels in one year, approximately 5.88 trillion miles.

Front

What are the main components of the solar system?

Back

The main components of the solar system include the sun, planets, moons, asteroids, comets, and meteoroids.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.