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Discovery points to the origin of mysterious ultraviolet radiation

Billions of lightyears away, gigantic clouds of hydrogen gas produce a special kind of radiation, a type of ultraviolet light known as Lyman-alpha emissions. The enormous clouds emitting the light are Lyman-alpha blobs (LABs). LABs are several times larger than our Milky Way galaxy, yet were only discovered 20 years ago.

Mar 12th, 2020

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Observed: An exoplanet where it rains iron

This exoplanet, 390 light years away towards the constellation Pisces, has days when its surface temperatures exceed 2,400 Celsius, sufficiently hot to evaporate metals. Its nights, with strong winds, cool down the iron vapour so that it condenses into drops of iron.

Mar 11th, 2020

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Producing human tissue in space

Researchers have sent adult human stem cells to the International Space Station (ISS) to explore the production of human tissue in weightlessness.

Mar 7th, 2020

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Space lettuce

Nutritious and safe crops would be a dietary supplement to assist long-distance space missions.

Mar 6th, 2020

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Globular cluster billowing in the Galactic wind

The Galactic magnetic field plays an important role in the evolution of our Galaxy, but its small-scale behaviour is still poorly known. It is also unknown whether it permeates the halo of the Galaxy or not.

Mar 2nd, 2020

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Earth has got a new 'moon'- here is what to expect

The Minor Planet Centre has just announced that the Earth has been orbited by a second moon for the past three years or so. But while excitement about the discovery is growing, it is important to keep in mind that this moon isn't as impressive as our main satellite.

Feb 26th, 2020

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