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5,993 results
HAS SPACE ALWAYS BEEN BLACK? As long as we've been around, YES. But the universe gets much more exciting, AND much ...
1,263,488 views
9 years ago
The cosmic microwave background is the fossil remnant of the fireball of the Big Bang. Aside from demonstrating that the Big Bang ...
137,519 views
2 years ago
The Cosmic Microwave Background, or CMB, is the remnant of the primordial fireball of the Big Bang. In this video, Fermilab's Dr.
134,916 views
Hook up an old antenna to your TV and scan between channels. The static buzz you hear is mostly due to the ambient radio ...
707,343 views
5 years ago
The Cosmic Microwave Background [CMB] is the oldest light in the universe that we can see or detect. It was emitted only 380000 ...
601,150 views
Asylum Counselors: Matthew O'Connor, Nikolaos Vasiloglou II Asylum Orderlies: William Morton, Fabio Manzini Einsteinium ...
143,795 views
3 years ago
Did you know, after the big bang, the universe was a hot dense fluid of matter and energy? To find out how this soup formed what ...
88,036 views
In this lecture, the professor continued to talk about the black-body radiation, then talked about cosmic microwave background ...
26,387 views
In this video, Dianna explores one of the most mysterious discoveries in physics - a constant microwave signal that seemed to be ...
819,785 views
4 years ago
If a photon leaves the train station shortly after the Big Bang ... Tweet at us! @pbsspacetime Facebook: ...
229,216 views
8 years ago
The Cosmic Microwave Background Radiation is the afterglow of the Big Bang; one of the strongest lines of evidence we have that ...
27,219 views
10 years ago
Nowadays, it's a universally accepted theory that the universe began 13.8 billion years ago with the Big Bang. But did you know ...
179,502 views
7 years ago
Cosmic microwave background—the energy left over from the Big Bang—provides a baby picture of the universe. Astrophysicist ...
94,243 views
Chapters: 0:00 - Speed of light and the past 1:24 - Cosmic Microwave Background 2:55 - What the early universe looked like 3:24 ...
175,558 views
The icy South Pole desert is a harsh and desolate landscape in which few life-forms can flourish. But the extreme cold and ...
24,579 views
11 years ago
Frontiers/Controversies in Astrophysics (ASTR 160) Reasons for the expansion of the universe are addressed at the start of this ...
13,508 views
15 years ago
Line of evidence number 3: cosmic microwave background radiation. In the 1960s, Arno Penzias and Robert Wilson were ...
238,225 views
In our previous videos on dark energy and dark matter, we've shown that only a tiny 5% of the energy density of our universe is ...
7,745 views
Cosmic Background Radiation. Created by Sal Khan. Watch the next lesson: ...
181,467 views
13 years ago
More than a hundred years ago Albert Einstein wrote down his postulates of special relativity. This reshaped the world of physics ...
394 views