general relativity
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Scientists Weigh A Star Using Gravity, Proving Einstein Wrong By Proving Him Right
Albert Einstein’s theory of gravity, called general relativity, is probably the best physics theory ever formulated. It just keeps working, often for things Einstein himself didn’t believe, like the accelerating expansion of the universe. Scientists only just proved some of its crazy predictions, like gravitational waves.
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We’ve Found Gravitational Waves, Now What?
David Reitze, executive director of the LIGO Laboratory, took the podium at the National Press Building in Washington, DC, this morning, and said the words we’ve all been waiting on tenterhooks to hear: “We have discovered gravitational waves.” And a packed auditorium in Caltech’s Cahill building in Pasadena — where people had gathered to watch…
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Astronomers Discover First Direct Proof Of The Big Bang Expansion
Somebody’s going to win a Nobel Prize. At least that’s what the physics community is saying after the announcement on Monday that a Harvard team has found the first direct evidence of cosmic inflation right after the Big Bang. It’s more proof that the Big Bang really was the beginning of it all.
