11 ฤดูกาล
389 ตอน
PBS Space Time - Season 2022 Episode 22
What is Quintessence? Well we know that something is up with the way the universe is expanding - there’s some kind of anti-gravitational effect that’s causing the expansion to accelerate. We don’t know what it is - just that it competes against the inward-pulling effect of gravity. And it’s winning - it looks like the universe will expand forever, at an ever-increasing rate. We call this mysterious influence dark energy, but while we’ve talked a lot about how it behaves, we’ve never really explored what it is. So, what is dark energy, really?
- ปี: 2024
- ประเทศ: United States of America
- ประเภท: Documentary, Talk
- สตูดิโอ: YouTube
- คำสำคัญ: astrophysics, science and technology
- ผู้อำนวยการ:
- นักแสดง: Matthew O’Dowd