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The Osiris-Rex space probe returns to Earth with a special payload

The Osiris-Rex space probe returns to Earth with a special payload

A sample of the asteroid Bennu’s debris, collected by NASA’s Osiris-Rex probe and falling above Earth, has landed in the US state of Utah. The capsule containing the sample, protected by a heat shield and slowed by parachutes, landed in the desert on Sunday, live images from the US space agency NASA showed.

Big cheers about the successful landing

NASA scientists at the control center responded with applause and cheers as the capsule, which weighs about 46 kilograms and is about 81 centimeters in diameter, touched down on Earth three minutes before scheduled. Osiris-Rex dropped the capsule, which resembles a salad bowl with a raised lid, a few hours ago at an altitude of about 102,000 kilometers above the Earth.

According to NASA estimates, the capsule contains about 250 grams of debris collected from the celestial body about three years ago. It will now be transferred to NASA laboratories in the US state of Texas for examination, where about 200 scientists will then work on the sample using 60 different examination methods.

There was tension at NASA for a long time, but finally there was celebration
© APA/AFP/George Fry

If the capsule’s contents turn up as NASA hopes, it will be the first asteroid sample successfully brought to Earth in NASA’s history — and perhaps the largest such sample ever taken. In 2005, the Japanese space probe Hayabusa landed on an asteroid. In 2010, the first soil samples collected from this celestial body were brought to Earth. There have been other flights to asteroids, but no other probe has been able to return material to Earth yet.

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The collapse should have no effect

Osiris Rex (origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer) was launched from Cape Canaveral Spaceport in September 2016 and arrived on Bennu about two years later. In October 2020, the probe took a sample of the asteroid in a complex maneuver that lasted several hours – the first American rocket in the history of space.

There was also a mishap: the lid of the collection container was opened slightly by larger stones, allowing parts of the sample to escape. However, NASA scientists still assume that there is enough material in the collection container.

Deep Black Bennu, named after an ancient Egyptian god, is about 550 meters in diameter and could come completely close to Earth in 150 years. Although the risk of collision is very low, NASA considers Bennu one of the most dangerous asteroids currently known – and therefore wants to conduct detailed research on it. In addition, scientists hope that the Osiris-Rex mission, which costs about $1 billion, will provide insight into the formation of the solar system more than 4.5 billion years ago, because such asteroids are remnants of it.

The “Osiris-Rex” probe, which is approximately six meters long and weighs 2,100 kilograms, set off towards the next asteroid Apophis immediately after its launch. According to calculations, the asteroid with a diameter of about 370 meters will pass near Earth at a distance of about 32 thousand kilometers in 2029, and thus it can be studied closely for the first time. The mission has already been extended for at least nine years – and now it has a new name: “Osiris Apex.”

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