Dark Energy
1:01:46
Black Holes - An Introduction
49:06
Why is the Universe accelerating? Nobel Laureate Brian Schmidt explains
30:46
Nuclear Spin
54:05
Dark Matter's Not Enough - with Andrew Pontzen
41:18
The Dark Energy Mystery [4K]
45:16
How good is the evidence for Dark Energy?
1:45:22
"Probing the Dark Universe" - A Lecture by Dr. Josh Frieman
32:06