SCIENCE BOOTCAMP SC.8.E.5.3

Front

What is the solar system?

Back

The solar system is the Sun, planets, moons, asteroids, comets, and other objects that orbit the Sun.

Front

What is a galaxy?

Back

A galaxy is a collection of stars, dust, and gas bound together by gravity.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Front

What is the universe?

Back

The universe includes all of space, time, matter, and energy.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and reflects light, while a star produces its own light and energy.

Front

What is an astronomical unit (AU)?

Back

An astronomical unit is the average distance between Earth and the Sun, about 150 million kilometers.

Front

What is a light-year?

Back

A light-year is the distance light travels in one year, about 9.46 trillion kilometers.

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars, which are rocky and closer to the Sun.

Front

What are the outer planets?

Back

The outer planets are Jupiter, Saturn, Uranus, and Neptune, which are gas giants farther from the Sun.

Front

What is the relationship between the Sun, planets, and moons?

Back

The Sun's gravity keeps planets in orbit, and planets' gravity keeps moons in orbit around them.