Japanese probe completes a 3.2 billion km asteroid journey – Galileo



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<img alt = "Hayabusa2 Artistic Conception. (Photo: DLR / Creative Commons)" height = "1152" src = "https://s2.glbimg.com/SIPienK16mRsyfPEr8GfOHxnGf8=/e.glbimg.com/og / ed / f / original / 2018/06/28 / The Artistic Conception of Hayabusa2 (Photo: DLR / Creative Commons)

3.5 years of traveling, 3.2 billion kilometers traveled, but , the Japanese spacecraft Hayabusa2 is finally close to the Ryugu asteroid, which orbits between Earth and Mars, according to the Japan Space Agency's Institute of Space Science and Astronautics ( ISAS), the equipment will be about 20 kilometers

Over the next 18 months, the Hayabusa (in Japanese Peregrine Falcon ) will be maneuvered around the asteroid, while the asteroid will land until the end of the year.

In the first half of next year, Hayabusa2 will blow up a space station, which for Ra measure the mbad, density and gravity of the space object, determine its mineral and elemental composition, and discover landing sites. Ryugu crater using a two-pound shot. To avoid the damage caused by the spread of debris, the spacecraft will hide on the opposite side of the asteroid after releasing the projectile and will use a camera to document the collision.

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Hayabusa2 will return on the Explosion site to collect rock samples from the depths of the asteroid in the hope that they will produce data on the formation of the material during the formation of the solar system. The spacecraft is expected to return its samples to Earth by the end of 2020.

The diamond-shaped asteroid is about 900 meters in diameter and revolves around its own axis every 7.5 Hours or more, Seiichiro Watanabe, research scientist at the University of Nagoya, Japan, explains that the surface is filled with rocks larger than what one would expect to accumulate in any of the worlds. 39, other asteroids of similar size for reasons that are still unclear. an asteroid of its size, which triggered a debate among planetary scientists. Ryugu may have been part of a larger asteroid that separated, the rocks may have landed over time or could have been hard mbades incorporated into the asteroid in his formation and then exposed as softer and eroded material. "It's a strange phenomenon," says Watanabe.

<img alt = "The Ryugu asteroid photographed from the Hayabusa 2." height = "393" src = "https: //s2.glbimg.The Ryugu asteroid photographed from Hayabusa 2. (Photo: JAXA, University of Tokyo & (Photo: JAXA, UNIVERSITY OF TOKYO & COLLABORATORS)

Researchers are excited, after all, the first version of the Although he's faced a series from mechanical defects, fuel losses and solar energy, and to communication breakdowns during a six-year and six-billion kilometer odyssey, he returned to Earth in 2010 with 1,500 particles of asteroid dust

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