Eerie footage captured by European Space Agency’s Mars Express probe shows the Martian moon Deimos eclipsing Jupiter.
The new clip, captured by the European Space Agency’s Mars Express satellite, comprises 80 individual images that were stitched together.
In the foreground is the irregular-shaped Martian moon Deimos, with its rocky and cratered surface.
In the background is Jupiter and its four largest moons, known as the ‘Galilean moons’ – Europa, Ganymede, Io and Callisto.
Jupiter is the large bright white circle near the centre, while its moons appear as small white specks of light.
A second, shorter clip, meanwhile, shows Phobos, the other Martian moon, blocking its sibling Deimos.
The Martian moon Deimos (left) notable for its rocky and cratered surface, can be seen here about to pass Jupiter, which appears as a large white spot. Jupiter’s moons appear as mere specks of light
Mars Express is still going strong nearly 20 years after its launch from Baikonur Cosmodrome in Kazakhstan in June 2003.
‘The new images demonstrate that Mars Express continues to shine a light on Mars, the immediate surroundings of the Red Planet, and beyond,’ said the European Space Agency (ESA).
The first clip is made up of a series of 80 images taken on February 14, 2022. It first shows Deimos passing in front of Europa, the smallest of the four Galilean moons, known for its icy surface and thin oxygen atmosphere.
The largest moon in the Solar System, Ganymede, is then obscured from view, as is Jupiter, Io and then lastly Callisto.
In the clip, Deimos appears to move up and down in the animation due to the small swaying movements of Mars Express while it rotates to place its camera into position.
Deimos is the smaller and outermost of the two natural satellites of Mars, the other being Phobos.
Here, the Martian moon obscures Callisto. Jupiter and the other three Galilean moons are visible to the left
Artist’s impression of the the European Space Agency’s Mars Express satellite, which launched from Baikonur Cosmodrome in Kazakhstan in June 2003
The two Martian moons experience strong tidal forces from the planet, causing their orbits to fluctuate constantly.
Phobos orbits extremely close to Mars at an average of 3,700 miles and is moving towards the planet, while Deimos is 12,470 miles away on average and moves away from it.
ESA’s second new clip, meanwhile, comprises 19 images captured on March 30, 2022 by Mars Express.
In this second video, Deimos is blocked by its larger sibling, Phobos, which measures about 14 miles along its longest axis. Deimos is a dwarf in comparison – only 3.7 miles.
Enhanced colour image of Phobos, the larger of the two Martian moons. It measures 14 miles along its longest axis
At only 3.7 miles in diameter, Deimos (pictured in this enhanced colour image) is a dwarf in comparison to its Martian sibling
At the time the images were taken, Phobos was 7,618 miles away from the camera, while Deimos was 17,340 miles away.
‘From this perspective it is difficult to see the size difference between the Martian moons,’ ESA said.
Much is still unknown about the formation and composition of Mars’ two moons, although the upcoming MMX mission, led by the Japanese space agency, aims to remedy this.
Set to launch next year, the mission will orbit Phobos and Deimos before landing on Phobos and collecting a sample from the larger moon to return to Earth.
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