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."

Stephen Hawking

Stephen Hawking in Zero Gravity
Credit: Jim Campbell/Aero-News Network

Occupation: Physicist & Author

Year born: 1942

Research Areas: Cosmology, Theoretical Physics

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.

Isaac Newton

Occupation: Mathematician, Astronomer, and Physicist

Year born: 1643

Research Areas: Optics, maths, motion, gravity

Orbital Demonstration

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History of the Universe

The Universe began with the Big Bang about 14,000 million years ago (14,000,000,000 years). When it was young, the Universe was very, very hot and dense. Since then, it has been cooling down and getting bigger.