Stellar Evolution
Stars, General
Universe Stuff
100

What do you call a large group of stars, planets, dust, and gas? Hint It has a blackhole at the center

A galaxy

100
What force caused proto-stars to form in a nebula?
Gravity
100
How old is the Universe?
About 14 billion years.
200
What must a proto-star do in order to become an “official” star?
Nuclear fusion
200
Where are stars born?
Nebulas
200
What evidence supports the Big Bang Theory?
Red Shift of almost all galaxies
300

What phase is a star in when it fuses helium into carbon? Hint: Our suns next phase

Red Giant

300
Which stars are hotter: Red Giants or White Dwarfs?
White Dwarfs
300
What is a singularity?
The point from which the Universe exploded in the Big Bang.
400
What are the 3 types of normal galaxies?
Spiral, elliptical, and irregular
400
Do stars with lower mass or higher mass live longer?
Lower Mass
400

Name the unit used to measure distance in space.

Light years

500

What force from inside a star tries to counteract gravity?

Outward pressure from nuclear fusion

500
Where do the heavy elements on the periodic table come from?
Supernovas
500
What is the Y axis and X axis on the H-R Diagram
Y axis is Luminosity or Brightness X axis is Temperature
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