It is a cosmic delivery that is scheduled for Sunday, September 24, at 16:55 p.m. precisely. Provenance: the asteroid Bennu, a kind of cubic and obese spinning top 500 meters in diameter, currently located 80 million kilometers from Earth. The package from the sky will be "deposited" under parachute in the salt desert of Utah after a perilous re-entry into the atmosphere at nearly 45,000 km / h. That's more than 10 times the speed of a rifle bullet. A cone-shaped heat shield must protect the cargo from air heating, with temperatures that could rise to 2800 °C. It is quite possible that the phenomenon gives rise to a long luminous trail, like an endless shooting star visible in broad daylight. It will elapse 13 minutes between entry into the first layers of the atmosphere, at an altitude of 130 km, and arrival on the ground.
These minutes promise to be scary for the mission's scientists. The contents of the ship are also fragile...
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