Gravity

Karl Schwarzschild

Karl Schwarzchild

Occupation: Physicist & Astronomer

Year born: 1873

Research Areas: Relativity, Black Holes, Quantum Theory, Stars, Comets

 

"Mathematics, physics, chemistry, astronomy, march in one front."

Gravity Simulator


Pwys ar Blanedau

Wedi’i anelu at ddisgyblion 11-14 oed, mae’r gweithgaredd hwn yn gwneud defnydd o algebra sylfaenol a graffiau i atgyfnerthu'r syniadau o effeithiau disgyrchiant a sut mae’r effeithiau yna yn dibynnu ar le ydych chi yng Nghysawd yr Haul.

Orbital Demonstration

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History of the Big Bang

 

The Universe started with the Big Bang about 14,000 million years ago (14,000,000,000 years). It started out very, very hot and has been expanding and cooling since then.

For the first tiny fraction of a second, everything was so hot, that we cannot describe what it was like, but we can use our knowledge of physics to give us a good idea of what was happening from as little as 10-43 seconds (that is 0.0000000000000000000000000000000000000000001 seconds!) after the beginning.

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