Astronomy Review

What is the location of the Sun compared to the Earth?

• The Sun is close enough to fly to in one day.
• The Sun is the center of our solar system.
• The Earth is the closet planet to the Sun.
• The Sun revolves around the Earth

What is our galaxy?

• Andromeda

• Star One

• The Mars Bar

• The Milky Way

Millions of stars, several of them in space, and very far apart are all describing what?

• galaxies

• moon

• solar systems

• fusion

List the following items from smallest to largest.

• universe, solar system, galaxy
• galaxy, solar system, universe
• solar system, galaxy, universe
• solar system, universe, galaxy

Which statement BEST summarizes The Big Bang Theory?

• whole universe began as a black hole and rapidly expanded, but is now collapsing
• whole universe began as a cool dense point and rapidly collasped, but is now expanding
• whole universe began as a hot dense point, rapidly expanded, and continues to expand
• the whole universe began as a hot dense point and rapidly expanded, but is now collapsing

A shift toward longer wavelengths of the spectral lines emitted by a celestial object that is caused by the object moving away from the earth.

• White Shift
• Black Shift
• Blue Shift
• Red Shift

What is the process that occurs in the core of a star, like the sun, that produces energy?

• fission
• fusion
• decay
• convection

The Milky Way Galaxy is a 

• spiral
• lenticular
• elliptical 
• irregular

Our universe is

• expanding
• contracting
• holding steady

Planets travel in orbits that are in the shape of a ___ .

• ellipse
• circle
• triangle
• sphere