Show:
Components of the Universe
Galaxy Types
Life Cycle of Stars
HR Diagrams
Micellaneous
100

What process happens in the core of a star that is the energy source for the star?

Fusion of hydrogen atoms together to make helium.

100

Which galaxies hold the old and dying stars and have little gas or dust? Circular in shape.

Elliptical galaxies

100

What is the name of the place where all stars form?

Nebula

100
What are all of the words that you 'could' see on the Y-axis of an HR Diagram and what do they all mean?
Luminosity, Brightness, Magnitude:: How shiny a star is
100

Most accepted theory for the formation of the universe

The big bang

200
What is the largest component within the universe?
A Galaxy
200

What are the four types of galaxies?

Spiral, elliptical, irregular, barred spiral

200
What quality of a star will determine it's life cycle?
It's mass
200
What color are the coolest stars on the HR diagram?
Red
200

organization that explores space 

NASA

300
If a star is more massive, then it would appear __________ in the sky.
Brighter
300
What type of galaxy is ours? Include the name of our galaxy.
The Milky Way is a spiral galaxy.
300

What happens to a star as it gets older?

It expands

300
Where are the coolest stars found on the HR Diagram? The hottest?
Coolest- Right Hottest- Left
300

First man made satellite made by the USSR. 

Sputnik

400
What is the region in space called that's so dense not even light can escape it?
A black hole
400

If a galaxy has not defined shape it is...

irregular

400

What will be the life cycle of a star the has high mass but is not the most massive of stars?

Nebulae-main sequence star- red supergiant- supernova- neutron star/black hole

400

What is the group of stars that range from cool/dim to hot/bright?

Main Sequence

400

Most accepted theory for the formation of the solar system.

Solar Nebula theory

500

Put the components of the universe below from smallest to largest?

Solar systems, planets, universe, stars, galaxies

Planets, stars, solar systems, galaxies, universe

500
Where is our solar system within the Milky Way?
On one of the outer spiral arm (Orion's Arm)
500

Our sun is a medium-low mass star, what will be it's life cycle from start to finish?

Nebulae-Main sequence- Red giant-Red Supergiant-White dwarf

500
What does the word "Dim" mean and where can I find dim stars on the HR Diagram?
Not bright. They are found towards the bottom of the HR Diagram
500

Two pieces of evidence that support the big bang

1. Redshift

2. Cosmic background radiation

3. Universe composition