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solar power

Tethered satellites could see the moon’s weird swirls up close

Space

Tethered satellites could see the moon’s weird swirls up close

The moon has bright coils of dust we can’t study without getting up close. A NASA proposal would send two satellites tied together to dangle over the surface

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Moon’s magnetic field lasted twice as long as we thought it did

Space

Moon’s magnetic field lasted twice as long as we thought it did

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Nuclear reactors on rockets may fuel future crewed trips to Mars

Space

Nuclear reactors on rockets may fuel future crewed trips to Mars

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Giant loner asteroids suggest baby planets formed quickly

Space

Giant loner asteroids suggest baby planets formed quickly

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Refuelling hydrogen vehicle

Technology

Nano aluminium offers fuel cells on demand – just add water

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Jocelyn Bell Burnell

Space

Finding the first pulsar set my world spinning

Features

First exomoon might have been spotted 4000 light years away

Space

First exomoon might have been spotted 4000 light years away

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Robot spots signs of melted fuel at submerged Fukushima reactor

Earth

Robot spots signs of melted fuel at submerged Fukushima reactor

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Underwater sand dunes

Earth

Earth's underwater dunes help explain Venus's weird surface

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Asteroids may have been giant mudballs in the early solar system

Space

Asteroids may have been giant mudballs in the early solar system

Asteroids could have started life as sludgy balls of mud instead of tough rocks, which may explain how rocky planets came to be

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Space

Titan's conditions could be just right to power US-sized colony

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Earth

Why Morocco loves its meteorites

Culture

Space

Our young moon’s supersonic winds made waves in its magma ocean

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Space

Uranus's crooked, messy magnetic field might open and shut daily

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