In this video, we derive the speed required for a stable circular orbit around Earth using Newton’s law of gravitation and centripetal force. You’ll see how orbital speed depends on radius, why low ...

Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

For decades, cosmologists have built their theories on the assumption of a cosmos identical in all directions, a fundamental ...

Why don't planets fall into the stars they orbit if they're constantly being pulled by gravity?Lindsey CoughterRocky Mount, ...

If you are interested in the wonders of the Universe, you will not want to miss the opportunity to find out more about its origins, the history of the ...

Revising all formulas often and working through JEE Main questions from previous years will build the required speed and ...

History has a quiet way of repeating itself, yet certain dates stand out for the stories they carry. The 4th of January is ...

The rapidly ascending pop star Chappell Roan walked back her tribute to the late Brigitte Bardot after discovering the French icon's troubling far-right political legacy.Roan initially honored the ...

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It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is described extremely well by quantum theory, while the world of gravitation ...