ESA plans for low-orbiting navigation satellites

Satellite navigation is headed closer to users. ESA's Navigation Directorate is planning an in-orbit demonstration with new navigation satellites that will orbit just a few hundred kilometers up in space, supplementing Europe's ...

Craters and cracks on Mars' Terra Sirenum region

This complex region of craters and fractures in the Terra Sirenum region highlights the varied history of Mars. The image above was taken by ESA's Mars Express on 5 April 2022.

Shadow hunters capture Didymos asteroid eclipsing stars

After months of effort, astronomers have succeeded in capturing the momentary shadow cast by the Didymos asteroid, from tens of million kilometers away as it passed in front of far-distant stars—a feat of observation only ...

Europe's all-new weather satellite arrives at launch site

After a two-week voyage across the Atlantic Ocean, the ship transporting the first Meteosat Third Generation satellite docked at Pariacabo in French Guiana and the precious cargo unloaded. Now safe and sound in one of the ...

Seeing how a spacecraft dies

This simulation of ESA's Automated Transfer Vehicle (ATV) space truck reentering Earth's atmosphere starts by representing the surrounding of the spacecraft as a three-dimensional cloud of interconnected points, a so-called ...

30,000 near-Earth asteroids discovered, and numbers are rising

We have now discovered 30,039 near-Earth asteroids in the solar system—rocky bodies orbiting the sun on a path that brings them close to Earth's orbit. The majority of these were discovered in the last decade, showing how ...

Image: Italy's Stromboli erupts

A volcano on the Italian island of Stromboli erupted early on Sunday morning, releasing huge plumes of smoke and a lava flow pouring into the sea. The Copernicus Sentinel-2 mission captured this image of the aftermath less ...

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