The Sun
Stars and
Galaxies (HR Diagram)
Solar System
Planets
100

What galaxy is the Sun located in?

The Milky Way 

100

What shape does the Milky Way Galaxy look like?

A spiral

100
Planets that are rocky and dense and found within the inner solar system are referred to as this term?
What is terrestrial
100
Why is Mars known as the “Red Planet?”
Mars has a chemical called iron oxide (rust) in its soil that causes the surface to take on a reddish appearance.
200
All stars are made-up of these two gases. They are used to create energy through the process of nuclear fusion.
What is hydrogen and helium
200
I am the largest star in the Milky Way galaxy.

Betelgeuse

200

Scientists had an old theory that everything in our solar system orbited Earth. That changed however, and is now known as what type of solar system. (you must name the theory)

Heliocentric (solar system) theory 

200
This is the second largest and lightest planet in the solar system. It's so light that its density would allow it to float on water.
What is Saturn.
300
Fusion (the changing of hydrogen into helium) occurs in what part of the sun?
What is the core
300

As temperature of Main sequesnce stars increases, what happens to their luminosity?

it also increases

300
A chunk of rock from outer space that burns up in the atmosphere.
What is a meteor.
300

Which group of planets have the longest periods of revolution around the Sun, but the shortest period of rotation at its equator?

Jovian planets (Jupiter, Saturn, Uranus, Neptune)

400
Identify the stages of our star's life from beginning to end.
What is a nubula, protostar, red giant, white dwarf, and black dwarf.
400

How much brighter/dimmer than our Sun is? (ANSWER ALL)

A. DX Cancri

B. Achernar

C. Canopus

A. 0.001 times dimmer

B. 1,000 times brighter

C. 50, 000 times brighter 

400
Name the eight planets in order from the sun starting with the closest to the sun.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
400

State 3 reasons why Jupiter is unable to be a second Earth?


Any 3 earns you credit:

Gaseous, too far from the Sun, too cold, rotating too fast (days speed up), no water, no oxygen, etc.

500

What impact does the sun have on our planet Earth? Think about the effect solar flares have as well.

The sun provides heat/light energy but can damage plant and animal life with its ultraviolet rays (UV). The solar flares of the sun can interrupt radio communications but in a positive sense create the Northern and Southern lights.

500
Stars 10 times larger than our sun can take an alternative path in life. What could be the end result after the star explodes (supernova)?
It could become a nebula, black hole, or neutron star.
500

Distances within the Solar System can be measured in what two ways? (just one of the correct answers can get you full credit)

Astronomical units and by the speed of light (light minutes, light years, etc)

500

State 2 reasons why Pluto is not considered a planet? (you have not really learned this in class so its tricky but try and think of some reasons)

exponentially smaller than the other 8 planets and does not dominate its own orbit.

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