Reflection: Answer as many as you like (at least 1).
What is something new you learned?
What is something that suprised you?
What questions do you have?
What would you like to learn more about?
How many times could the Milky Way (our galaxy) fit into the universe as we know it?
What is the term used for the part of the universe that we can actually see?
What is redshift used for in astronomy?
What is the main component theorized to hold the universe together, which we cannot see?
What is happening to the size of the universe?
How much of the universe is believed to be made up of dark energy?
What does the flatness of the universe imply?
What is the widely accepted explanation for the origin of the universe?
What did the universe begin as according to the Big Bang Theory?
What was created with the Big Bang? (select all that apply)
What was the first chemical element created in the universe?
What was the second chemical element created in the universe?
What created almost all of the remaining elements in the universe?
How do astronomers use redshift to describe?
When light waves are compressed, what happens?
When light waves are spread out, what happens?
Why is light from distant galaxies redshifted?
What is the estimated age of the universe?
What does the term "redshift" refer to in the context of astronomy?
Why were earlier calculations of the universe's age inaccurate?
What significant discovery was made in 2011 regarding the universe’s expansion?
What is the Cosmic Microwave Background (CMB)?
What does Cosmic Microwave Background (CMB) help astronomers determine?
Objects in space are being held together by .
Objects in space are being pulled apart by .
Which scenario predicts the universe would continue to expand and become darker and colder?
Which scenario predicts the universe would continue to expand until the matter that makes up stars and the rest of the universe breaks up into tiny pieces?
Which scenario predicts the universe's expansion would be reversed?
What does the theory of the Big Bounce suggest?