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ESA has launched three other Proba missions thus far, with one currently observing the Sun. Proba-2 launched in 2009, and was originally meant to spend two years in a Sun-synchronous low Earth orbit but is still going more than 15 years later.

Dubbed as the world's first initiative, the Proba-3 - Project for Onboard Autonomy - comrises a double-satellite in which two spacecraft would fly together as one, maintaining precise formation down to a single millimetre to study the sun's outer atmosphere.

India’s ISRO launches two European satellites Live from Sriharikota, India, as the Indian Space Research Organization is set to launch European Space Agency ESA’s two PROBA-3 satellites, named Coronograph and Occulter,

Stay informed with our live blog covering India’s latest in politics, economy, crime, and general news. Get real-time updates on political developments, financial trends, crime reports, and important events across the country.

The Indian Space Research Organisation (ISRO) is all set to launch the European Space Agency (ESA)’s much-awaited mission Proba-3. Proba-3 will deploy two spacecraft to form artificial solar eclipses on demand.

On December 4, India and the European Space Agency (ESA) will launch Proba-3, the world's first precision formation-flying mission, to study the Sun's corona by simulating an artificial eclipse.