91色情片

General relativity

This image show stars orbiting very close to Sgr A* (centre), the supermassive black hole at the heart of the Milky Way. They were obtained with the GRAVITY instrument on ESO???s Very Large Telescope Interferometer (VLTI) at the end of March 2021.

Space

We鈥檝e seen our galaxy鈥檚 huge black hole more clearly than ever before

Astronomers have observed Sagittarius A* 鈥� the supermassive black hole at the centre of our galaxy 鈥� closer than ever before, and Albert Einstein鈥檚 general theory of relativity still holds up

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Artistic impression of the Double Pulsar system

Space

A pair of pulsars in a tight embrace have proved Einstein right again

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Black hole

Space

X-rays can echo and bend around the back of supermassive black holes

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Quantum field theory

Physics

A warp drive that doesn’t break the laws of physics is possible

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Space

Travelling through a wormhole without dying may actually be possible

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Space

Science with Sam: What is a black hole? And could you survive one?

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space

Space

The fastest star in our galaxy moves at 8 per cent the speed of light

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Space

Einstein was right about how extremely massive objects fall in space

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Physics

Why it’s better to fall into a big black hole, and other bizarre facts

Black holes exert a powerful pull on our imagination, but their weirdness starts way before you cross the event horizon, says astrophysicist Chris Impey

Features

Physics

We have seen hints of a new fundamental force of nature

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Space

The orbit of a star near our galaxy鈥檚 black hole proves Einstein right

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Space

Two stars with an odd wobble are stretching space and time around them

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Physics

In the quantum realm, cause doesn鈥檛 necessarily come before effect

Features