7 Amazing Facts About PROBA-3 Mission Of ESA To Sun's Corona

The Proba-3 mission will launch on ISRO's PSLV rocket, scheduled for December 4, 2024, at 4:08 PM IST, marking its 61st mission from the Satish Dhawan Space Centre in Sriharikota.

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The main objective of Proba-3 is to showcase advanced formation-flying technology, with the two spacecraft collaborating as a "large rigid structure" to guarantee precise observations of the Sun.

ISRO

The PSLV-XL rocket, 44.5 meters tall and 550 kg, will launch Proba-3 satellites into high Earth orbit to study the Sun’s faint corona using closely flying spacecraft.

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The Occulter and Coronagraph satellites, weighing 240 and 310 kg, respectively, will orbit Earth for 19.7 hours, reaching 60,530 km and 600 km, respectively. They will create "solar eclipses on demand" for scientists.

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Proba-3 aims to showcase advanced formation-flying technology, enabling accurate observations of the Sun's outer atmosphere and providing extended data hours beyond natural eclipse windows.

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Proba-3 mission will enhance space weather knowledge, impacting satellite communications, GPS, and power grids, and provide insights into solar processes, particularly solar storms and coronal mass ejections.

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ISRO's Proba-3 mission builds on previous successful Earth observation missions, Proba-1 and Proba-2, launched in 2001 and 2009.

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