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Incredible 4K view of the Sun - One week Of Solar Activity
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By European Space Agency
Video: 00:09:01 Proba-3 is such an ambitious mission that it needs more than one single spacecraft to succeed. In order for Proba-3’s Coronagraph spacecraft to observe the Sun’s faint surrounding atmosphere, its disk-bearing Occulter spacecraft must block out the fiery solar disk. This means Proba-3’s Occulter ends up facing the Sun continuously, making it a valuable platform for science in its own right.
Proba-3 is scheduled for launch on a PSLV-XL rocket from Satish Dhawan Space Centre in Sriharikota, India, on Wednesday, 4 December, at 11:38 CET (10:38 GMT, 16:08 local time).
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By European Space Agency
What’s harder than flying a single satellite in Earth orbit? Flying two – right beside each other, at proximities that would normally trigger collision avoidance manoeuvres.
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By European Space Agency
Week in images: 25-29 November 2024
Discover our week through the lens
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By European Space Agency
Hidden in plain sight within the Sun’s glare is the ultra-hot yet ghostly faint solar corona, source of the solar wind and solar storms. The only way to see this key element of the Solar System is either through the remarkable cosmic coincidence that gives rise to total solar eclipses – the fact that the Sun is not only 400 times bigger than our Moon but also about 400 times further away, allowing it to cover the solar disc entirely – or else through artificial Sun-obscuring telescopes.
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