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space exploration

Expansion of the universe

Question

How old is the universe?

There are two competing estimates on the age of the universe.  
Blue Origin’s latest launch brings it close to sending humans to space

Space

Blue Origin’s latest launch brings it close to sending humans to space

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Daisy Ridley as Viola Eade and Tom Holland as Todd Hewitt in Chaos Walking

Space

Chaos Walking review: Unsettling sci-fi that exposes men’s thoughts

Culture

A rocket in space

Space

The US plans to put a nuclear-powered rocket in orbit by 2025

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Is there an ancient black hole at the edge of the solar system?

Space

Is there an ancient black hole at the edge of the solar system?

Features

Dr Wernher von Braun

People in Science

Wernher von Braun

Satellite

Space

Satellite that can clean up space junk with a magnet about to launch

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How deep is the Mariana trench?

Question

How deep is the Mariana trench?

Lunar base

Space

Kilometre-high concrete towers on the moon could power a lunar base

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satellites

Physics

Photonic laser thruster could power spacecraft from Earth

The Photonic Laser Thruster can move a 750-gram object along a low-friction rail – a small step to using the technology to push satellites rapidly between planets

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Space

We may have to rewrite our understanding of gravity

Comment

Physics

Did time flow in two directions from the big bang, making two futures?

Features

Space

Space junk foils astronomers observing oldest galaxy in the universe

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Physics

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

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