Show:
Types
History
Stars
Collision of galaxies
Black Holes
100
How is a spiral galaxy formed?
Form from collapsed protogalactic clouds. Has 3 components: Disk, bulge, and a halo.
100
When was the Milky Way formed? approximately
formed about 14 billion years ago
100
What is known as one of the biggest Red Giants?
Betleguse
100
Do galaxies collide?
Yes
100
How are black holes created?
When red giants become a super nova, and explode.
200
What are Irregular galaxies full of?
Gas and Dust
200
Name the two gases that helped making galaxies
Helium and Hydrogen
200
Are white dwarfs Hot or cool?
White dwarfs are hot.
200
What galaxy will the Milky way collide with in 3 billion years?
Andromeda
200
How strong is the gravitational pull of a black whole? give one emaple
It's so strong that not even light can escape it
300
Do Elliptical galaxies have spiral arms?
Some may have, because of being formed by two disk galaxies.
300
What is a nebula?
A cloud of gas and dust in outer space, that you can see at night
300
Approximately how hot is the surface of our sun?
About 6000 degrees
300
When galaxies collide, do the stars interact? why or why not?
No, because the stars are too far away the even come close to each other
300
How can you see a black hole?
By the dust and gas that orbit around it going so fast, that it gives off a bright light.
400
What direction does the Milky Way rotate?
counter-clockwise
400
Wild question: True or False Does the Milky Way have 152 global clustars
True
400
Name the 5 colours in order from hottest to coolest of the stars?
Blue, white, yellow, orange, and red
400
How far is Andromeda from the Milky Way?
about 2.5 light years away
400
Do all galaxies have a black whole in the center?
No