Galaxies
Stars
Universe
Systems
Random
100

What is a galaxy?

A huge reservatory of of dust, stars, and gas

100

A huge ball of ionized plasma (or a huge ball of hot gas)

A star or the sun

100

What happenes when black holes collide?

They merge to create a slightly bigger black hole.

100

What is our solar system?

A system that has planets orbiting a star and an asteroid belt.
100

What is gravity?

The force which pulls an object towards a huge object of mass.

200

What’s in the center of galaxies?

A super massive black hole

200

How forms can a star take?

About 6

200

What is a black hole?

An interstellar object whose gravity is so strong light can’t escape it.

200

Is there an Oort cloud?

It’s just a theory but astronomers think there’s an Oort could

200

What are planets made out of?

Dust, some form of metal dust, and tiny grains

300

How many types of galaxies are there?

3

300

A star relieves truly on its mass to survive. True of false

True

300

How much of the universe have we explored from earth?

Only about 4%

300

Galaxies are a type of system. True or False?

True

300

How does the sun power itself?

It powers itself by burning hydrogen and helium through nuclear reactions.

400

How long are galaxies usually?

1,000 to 100,000 parsecs

400

What keeps the sun spinning?

On its own inertia.

400

What is dark matter?

A matter which holds everything together

400

Triple AGN system

A system usually meaning 3 black holes orbiting each other.

400

Does every black hole contain a singularity?

It’s just a theory, but there is no explanation on how a black hole contains its gravity so yes.

500

What are usually in galaxies?

Black holes, neutron Stars, Stars, and planets.

500

How often does the sun’s magnetic flip?

About every 11 years.

500

How big is the universe?

Nobody knows

500

What is a binary star system?

2 stars orbiting each other

500

What is the strongest force in the universe?

Strong nuclear force (not gravity surprisingly)