Galaxies

What is our galaxy?

• The Milky Way
• The Galaxy S7 Note
• The Andromeda Galaxy
• Constellations

When is it predicted that our galaxy may collide with another?

• 400 years
• 8 billion years
• 4 billion years
• 8 years

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

What are galaxies held together by?

• Gravitational Attraction
• Stars
• Other galaxies
• Dust and Gas

What galaxy can be seen from Earth?

• Stars
• Constellations
• Whirlpool Galaxy
• The Large Magellanic Clouds

How would you describe a galaxy collision?

• A smash
• A greeting
• A merge
• A trainwreck

Who discovered the idea of a galaxy?

• Isaac Newton
• Bill Nye
• Carl Junior
• Thomas Wright

How many stars would be in a small galaxy?

• A thousand stars
• A billion stars
• A hundred stars
• A million stars

How many galaxies are in the observable universe?

• 140 million galaxies
• 90 trillion galaxies
• 170 billion galaxies
• 300 galaxies

What percentage of galaxies are Irregular Galaxies?

• 3%
• 59%
• 103%
• 97%