Galaxies Astronomy

What are the the 3 types of galaxies?

• Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies

• Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies

• Milky Way, Elliptical Galaxies, and Spiral Galaxies

• Milky Way, Elliptical Galaxies, and Irregular Galaxies

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy

• Solar system, planets, galaxy, universe

• Planets, solar system, galaxy, universe

• Galaxy, solar system, planets, universe

Distance measurement used by astronomers for distant objects.

• Kilometers
• Light Years
• Miles
• Light Seconds

What is the name of our galaxy?

• Our galaxy is called the Milky Way galaxy

• Our galaxy is called the Andromeda galaxy

• Our galaxy is called the Grand spiral galaxy.

• Our galaxy is called the Whirlpool galaxy.

How many stars are in a galaxy.

• millions or billions
• thousands
• hundreds
• Ten

A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?

• heat
• light
• gravity
• friction

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

The Milky Way galaxy is an example of an irregular galaxy

• true
• false

an immense cloud of dust & gas where stars are born

• black hole

• nebula

• prominence

• supernova

What is the life cycle of a medium sized star?

• Nebula, red giant, nova, white dwarf, black hole
• Red giant, nova, white dwarf, dead star
• Nebula, red giant, nova, white dwarf, dead star
• Nebula, white dwarf, dead star

Tags

NGSS.HS-ESS1-3

What happens when a massive star's life ends?

• dead star
• black hole or neutron star
• supernova
• white dwarf