What is the main force responsible for the formation of the univserse?
Which of the following correctly lists the structures in space from smallest to largest?
A student uses the following characteristics to describe a group of objects in space.
• 200 billion stars
• 30 million light years from Earth
• Elliptical in shape
Which of the following is the student most likely describing?
Our galaxy, The Milky Way, has a pinwheel shape, what type of galaxy is it?
Which list places four components of the universe in the most likely order from largest to smallest?
What is pictured below?

What is pictured below?

What is pictured below?

Which of the following components of the universe is best described as a system of stars, gases, and dust held together by gravity?
Galaxies are classified by their shapes into all of the following types EXPECT-