Question 1
Which of the following is considered a primary piece of evidence for the existence of dark matter?
Question 2
What is the primary characteristic that distinguishes dark matter from ordinary matter?
Question 3
Which of the following is a proposed particle candidate for dark matter?
Question 4
How does gravitational lensing provide evidence for dark matter?
Question 5
In the context of dark matter, what does a 'halo model' describe?
