Quiz · The Mystery of Dark Matter

Question 1What is the main subject of this talk about the universe?

How astronomers take photographs of galaxies The life cycle of the brightest stars How underground laboratories are constructed The mystery of dark matter and the attempts to explain it

Question 2How do astronomers infer the presence of dark matter?

Through the gravitational influence it exerts on visible objects Through the bright light that it gives off Through the sound waves it sends through space Through its colourful reflection in telescopes

Question 3What result have the underground detectors produced so far?

They have caught a single dark matter particle They have proved that the theory of gravity is wrong Every experiment has returned empty-handed They have found exotic particles from the early universe