Sun and Other Stars (Generation Genius Video)

Front

What is a star made of?

Back

Stars are made of burning gas, primarily hydrogen and helium.

Front

Why does the sun appear larger and brighter than other stars?

Back

The sun appears larger and brighter than other stars because it is closer to Earth.

Front

What is a planisphere?

Back

A planisphere is a tool that helps identify which constellations are visible in the night sky.

Front

How did ancient people use stars and constellations?

Back

Ancient people used stars and constellations for navigation.

Front

What are solar flares?

Back

Solar flares are bursts of radiation from the sun that can affect communication systems on Earth.

Front

What is the closest star to Earth?

Back

The closest star to Earth is Proxima Centauri.

Front

What is a constellation?

Back

A constellation is a group of stars that form a recognizable pattern in the night sky.

Front

How many constellations are officially recognized?

Back

There are 88 officially recognized constellations.

Front

What is the Milky Way?

Back

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

Front

What is light year?

Back

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