What's harder than flying a single satellite in Earth orbit? Flying two—right beside each other, at proximities that would ...

ESA's Proba-3 will be the first mission to create an artificial total solar eclipse by flying a pair of satellites 150 meters ...

ESA has launched three other Proba missions thus far, with one currently observing the Sun. Proba-2 launched in 2009, and was ...

Using one spacecraft to block the Sun and another to observe, the pair will fly in tandem with millimeter-level precision.

On Dec. 5, 2024 the European Space Agency's Proba-3 mission sent two spacecraft into orbit around Earth. By aligning the ...

The European Space Agency on Thursday launched Proba-3, a cutting-edge Sun-observing mission, aboard the Indian Space ...

The European Space Agency on Thursday launched Proba-3, a cutting-edge Sun-observing mission, aboard the Indian Space ...

Launch occurred at 5:35 a.m. EST on Thursday (Dec. 5) after a technical glitch thwarted its first liftoff attempt.

An Indian PSLV rocket will launch Europe's Proba-3 precision formation-flying mission to orbit early Wednesday (Dec. 4), and ...

ESA's Proba-3 satellites will create artificial solar eclipses, enabling extended solar corona observations in space ...

What Aditya L1 and Proba-3 share in common is the coronagraph – an instrument designed to block the sun's bright rays and ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy ...