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The Phobos-Ground craft launches in November. The craft failed to escape Earth's orbit and will crash back to land in January. AP
Space

Russian spacecraft set to crash back to Earth next month

The unmanned Phobos-Ground craft, which was set to land on one of Mars’s moons, will return sometime in January.

A RUSSIAN SPACECRAFT for a moon of Mars and stuck in Earth’s orbit will come crashing back next month, but its toxic fuel and radioactive material on board will pose no danger of contamination, the Russian space agency has said.

Between 20 and 30 fragments of the probe with a total weight of up to 200 kilograms will survive the fiery plunge and shower the Earth’s surface, Roscosmos warned in a statement.

The agency said the unmanned Phobos-Ground spacecraft will plummet to Earth at some point between January 6 and January 19, though the rough area of where the fragments could fall can only be calculated a few days ahead of its plunge.

As of now, it said only that the probe’s fragments could rain down anywhere along a broad swath between 51.4°N to 51.4°S, which would include most of land surface.

While the agency had lost contact with the probe following its launch on November 9, this was the first time acknowledged that the €130m craft has been lost and will come crashing down.

Since its November launch the engineers in Russia and at the European Space Agency have attempted unsuccessfully to propel it away from Earth’s orbit and toward its target.

Phobos-Ground weighs 13.2 metric tonnes, which includes 11 metric tonnes of highly toxic fuel. Experts had warned that if the fuel has frozen, some could survive entry into Earth and pose a serious threat if it falls over populated areas.

But Roscosmos said it is sure that all fuel will burn on re-entry some 100km above the ground and pose no danger. It said that 10kg of Cobalt-57, a radioactive metal contained in one of the craft’s instruments, will not pose a threat of radioactive contamination.

The Phobos-Ground was Russia’s first interplanetary mission since a botched 1996 robotic mission to Mars, which failed when the probe crashed shortly after the launch due to an engine failure.

Mars has two moons, Phobos and Deimos, and the latest spacecraft aimed to take ground samples on Phobos.

It was one of the most challenging unmanned interplanetary mission ever. Scientists had hoped that studies of Phobos’ surface could help solve the mystery of its origin and shed more light on the genesis of the solar system.

Some believe the crater-dented moon is an asteroid captured by Mars’ gravity, while others think it’s a piece of debris from when Mars collided with another celestial object.

The failed mission was the latest in a series of recent Russian launch failures that have raised concerns about the condition of the country’s space industries. Officials have blamed the failures on obsolete equipment and an aging workforce.

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Contact finally made with stranded Russian spacecraft

Author
Associated Foreign Press
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