Stars and Galaxies

A system of stars, dust, and gas held together by gravity

• comet

• galaxy

• constellation

• supernova

Tags

NGSS.MS-ESS1-2

What galaxy do we live in?

• Intergalactic

• Milky Way

• Mayall's Object

• Andromeda

Tags

NGSS.MS-ESS1-2

Our sun is a star.

• TRUE

• FALSE

Everything that exists, including galaxies and everything in them

• Earth

• Milky Way

• Universe

• Space

A disk shaped galaxy with a round or bar shaped center. They rotate with spiral arms that contain interstellar dust and gas. This promotes star formation and an abundance of young stars.

• Irregular Galaxy

• Spiral Galaxy

• Elliptical Galaxy

Tags

NGSS.MS-ESS1-2

These galaxies have an irregular shape and occur from a collision of galaxies. They contain a complex mix of interstellar gas and dust, young stars, and old stars.

• Irregular Galaxy

• Spiral Galaxy

• Elliptical Galaxy

Tags

NGSS.MS-ESS1-2

This is the most common type of galaxy. They have an ellipsoidal shape and are the oldest and dimmest galaxy.

• Irregular Galaxy

• Spiral Galaxy

• Elliptical Galaxy

Tags

NGSS.MS-ESS1-2

What are stars made of?

• Dust and gas

• Hydrogen and helium

• Oxygen and iron

What star is closest to Earth?

• Sun

• Sirius

• Vega

What is a light year?

• The speed of a spaceship

• A year that is shorter than normal

• The distance light travels in a year

• A character on Toy Story