5.01 Space and Beyond

True or False: Space is mostly empty.

• True

• False

A large, mostly spherical object in space that is made of gas, produces its own light, and is held together by its own gravity.

• Galaxy

• Star

• Planet

• Comet

A celestial object consisting of a nucleus of ice and a stream of gas and dust.

• Star

• Galaxy

• Comet

• Planet

A body that orbits a planet.

• Planet

• Sun

• Moon

• Star

Tags

NGSS.MS-ESS1-1

Astronomical bodies (like our planets around our Sun) settle in their spots in the universe based upon ____________________.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

True or False: Our solar system is 12 billion km in diameter and yet is just a SMALL part of the entire Milky Way galaxy.

• True

• False

Tags

NGSS.MS-ESS1-3

True or False: Earth is one million times larger than the solar system.

• True

• False

A light year is the _____________it takes light to travel in one year.

A light year is a unit of

• time

• distance

• frequency

• electricity

If Distance=speed X time and we know that it takes light 500 seconds to reach Earth from the Sun, how far is the Sun?

(hint: speed of light =186,282 miles per second.)

Tags

NGSS.MS-ESS1-3