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Magnetosphere

Physics

Earth’s magnetosphere replicated in miniature using lasers and magnets

The first 3D model of Earth’s magnetosphere could help us better understand how satellites cope with space weather

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Main ? Voyager 2 view of Neptune, captured in August 1989. Credit: NASA/JPL-Caltech/Kevin M. Gill

Space

Neptune has been slowly cooling for 15 years when it should be warming

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A solar power plant at night

Technology

Solar panels that work at night produce enough power to charge a phone

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space satellite with solar panels

Environment

UK government backs plan to harvest solar power from space

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Technology

Static electricity can keep desert solar panels free of dust

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Radiation map

Physics

Chernobyl radiation spike probably from Russian tanks disturbing dust

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Ukrainian soldiers

Technology

Risk of nuclear disaster is minimal as Russian forces reach Chernobyl

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Description: Camera image of a plasma inside the TCV tokamak, regions of different colors correspond to different temperatures of the hot plasma. The center of the plasma is so hot that it does not emit visible light. Credit: Curdin W?thrich / SPC/EPFL

Technology

DeepMind uses AI to control plasma inside tokamak fusion reactor

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NWA 7034

Space

Mars may have been habitable millions of years later than we thought

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Uranus and Neptune

Space

We may now know why Uranus and Neptune are different shades of blue

Uranus is pale blue in colour while Neptune is a deeper shade of blue, and an atmospheric model can explain the difference

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Space

Leigh Fletcher interview: Why we urgently need a mission to Neptune

Features

Physics

How does the sun shine? Here's why we are still a little in the dark

Comment

Space

Sample of asteroid Ryugu brought to Earth is a strange dark colour

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Space

Super-fast impacts may have made Venus an uninhabitable hellhole

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