#1
How many stars are in our solar system?
One
What galaxy do we live in?
The Milky Way
Where are new stars formed in a spiral galaxy?
Which star provides us with energy?
The Sun
Which type of galaxy has no regular or particular shape?
Irregular
Where do we live in the Milky Way?
Near the edge
What is a huge group of stars, dust, planets, and other objects bound together by gravity?
A galaxy
What type of galaxy has a bulge in the center and arms that spiral outward?
Spiral
Which type of galaxy looks like a round/flattened ball?
Elliptical
How many light years is our solar system from the center of our galaxy?
About 26,000
How can we categorize galaxies?
By structure and arrangement of stars
What is the bright center part of a spiral galaxy called?
The galactic bulge
What is the closest galaxy to our solar system?
Andromeda
What type of spiral galaxy is the Milky Way?
Barred Spiral
Why are spiral galaxies amongst the brightest?
Because they have a lot of hot, young stars
Who created the system we use to classify galaxies?
Edwin P. Hubble
What percentage of galaxies are spiral?
20%
What percentage of galaxies are elliptical?
60%
What percentage of galaxies are irregular?
20%
Order these celestial objects from smallest to largest:
-nebula
-star
-universe
-galaxy
star, nebula, galaxy, universe