Is there really such a thing as dark matter and if so what is it and how do we know it exists?
Zoe from Wiltshire (Age 5-14)
What is dark matter and does it exist?
Vijay Narbad from Norfolk
What is dark matter?
Rashid C from Greater London (age 5-14)
Filed under: age 5-14, Answered Big Questions, Astronomy Big Questions, Cosmology Big Questions, Dark Matter Big Questions, Eram Rizvi's Big Answers, Physics Big Questions, Prof. Bob Nichol's Big Answers |