Earth in the Universe
The distance light travels in one year is called what?
A light year
What is the name of our galaxy?
Milky way
What is the name of the process that produces energy in stars?
Nuclear fusion
If a star is out everynight it is considered to be a what type of constellation
Circumpolar
What is the name of the astronomer that discovered the laws of planetary motion?
Kepler
What is the name of our closest star?
The sun
What type of galaxy do we live in?
Spiral
What determines what a star will become at the end of its life cycle
Its initial mass
What is the name of the constellation that contains the north star?
Little Dipper
What is the name of the geometric shape of the orbits
ellipse
Polaris is 300 light years away from us as a result what year did the light originate that we are seeing tonight?
1722
How many light years across is our galaxy?
100 million light years
What are the two characteristics we look at to characterize a star
Luminosity and temperature
Between what two planets is the asteroid belt?
Mars and Jupiter
What is always at one of the foci in the orbit of planet?
The sun
If a star that is 200 light years from us explodes tonight, what year would we see it occur in the night time sky?
2222
How many light years do live from the center of the galaxy
What is the next stage that the sun will get to
Red Giant
If a rock burns up in the atmosphere it is considered to be a what?
Meteor
What is the name of the position of the planet when we are closest to the sun
Perihelion
If there was a planet that was 65 million light years from us and they saw the earth from their planet what event would be taking place on earth at that time?
The extinction of the dinosaurs
What is at the center of our galaxy?
A blackhole
Stars that are very large will eventually become a what?
Blackhole
What is the name of the an object that has a very eccentric orbit around the sun and has an icy core and leaves a tail as approaches the sun?
Comet
How many months passes between aphelion and perihelion?
6 months