Astronomical Distances
Galaxy Types
More Galaxies
Asteroids, Meteoroids, and Comets...Oh my!
Other
100
An astronomical unit is the average distance from the Earth to the _______.
SUN
100
What are the names of the three major types of galaxies?
SPIRAL, ELLIPTICAL, AND IRREGULAR
100
What makes up a galaxy?
billions of stars, gas, and dust
100
A rocky mass that orbits the Sun
asteroid
100
What exists at the center of almost all major galaxies including the Milky Way?
A SUPER MASSIVE BLACK HOLE
200
Which unit is used for distances inside the solar system?
ASTRONOMICAL UNIT
200
Which type of galaxy is seen in the image? 
SPIRAL GALAXY
200
What hold galaxies together?
gravitational attraction
200
This is what is created when a meteorite impacts Earth
a crater
200
The closest star to our Sun
Proxima Centauri
300
What is a light year?
THE DISTANCE LIGHT TRAVELS IN A YEAR
300
Which type of galaxy gets its shape as it is affected by the gravitational pull of other galaxies?
IRREGULAR GALAXY
300
Which type of galaxy is the most common in the universe?
ELLIPTICAL GALAXIES
300
Where the asteroid belt is located
between Mars and Jupiter
300
What is the name of the scientist that first classified galaxies?
EDWIN HUBBLE
400
What is the speed at which light travels in space?
186,000 miles/second
400
Which type of galaxy is seen in the image?
ELLIPTICAL GALAXY
400
What type of galaxy is seen in the image?
IRREGULAR GALAXY
400
The difference between a meteoroid, meteor, and meteorite
LOCATION!
Meteoroid (out in space)
Meteor (entered Earth's atmosphere)
Meteorite (reaches Earth's surface)
400
The direction of a comet's tail
Comet tails are always pointed AWAY from the Sun
500
The amount of time it takes for light from the Sun to travel to the Earth.
8.4 minutes
500
It is well known that the Milky Way is a spiral galaxy, but what type of galaxy is Andromeda?
SPIRAL GALAXY
500
Why is it considered "looking back in time" when looking at galaxies?
LIGHT TAKES A LONG TIME TO TRAVEL THROUGH SPACE, AND THEREFORE WE SEE THE GALAXY AS IT WAS WHEN THE LIGHT WAS EMITTED
500
This is where most comets are located
Oort cloud or Kuiper belt
500
What is the name of the only galaxy that is visible with the naked eye?
ANDROMEDA