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Articles sur Ground-based telescopes

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This enhanced-color image of Jupiter’s south pole and its swirling atmosphere was created by citizen scientist Roman Tkachenko using data from the JunoCam imager on NASA’s Juno spacecraft. NASA/JPL-Caltech/SwRI/MSSS/Roman Tkachenko

Juno mission unveils Jupiter’s complex interior, weather and magnetism

We may need to re-think our models of Jupiter’s formation thanks to the first results from Juno probe orbiting the planet, and new observations from Earth.
20 tons of Ohara E6 borosilicate glass being loaded onto the mold of one of the GMT’s mirrors. Ray Bertram, Steward Observatory

How do you build a mirror for one of the world’s biggest telescopes?

The laws of physics dictate that to pick out ever fainter objects from space and see them more sharply, we’re going to need a bigger telescope. And that means we need massive mirrors.

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