AIDA double mission to divert Didymos asteroid's Didymoon

An ambitious joint US-European mission, called AIDA, is being planned to divert the orbit of a binary asteroid's small moon, as well as to give us new insights into the structure of asteroids. A pair of spacecraft, the ESA-led ...

Getting WISE About Nemesis

Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.

Image: Hera scans Didymoon

Hera is a candidate ESA mission be presented to ESA's Space19+ meeting next week as part of the Agency's Space Safety programme, where Europe's space ministers will take a final decision on flying it.

Image: Hera logo aboard ISS

The logo for Hera, ESA's proposed asteroid mission for planetary defense, has already reached space, thanks to ESA astronaut Luca Parmitano, who snapped this photo from the cupola of the International Space Station. The Hera ...

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