{"id":117818,"date":"2019-04-06T23:45:15","date_gmt":"2019-04-06T23:45:15","guid":{"rendered":"https:\/\/www.bnreport.com\/hayabusa2-has-blasted-the-surface-of-asteroid-ryugu-to-make-a-crater-2\/"},"modified":"2019-04-06T23:45:15","modified_gmt":"2019-04-06T23:45:15","slug":"hayabusa2-has-blasted-the-surface-of-asteroid-ryugu-to-make-a-crater-2","status":"publish","type":"post","link":"https:\/\/www.bnreport.com\/en\/hayabusa2-has-blasted-the-surface-of-asteroid-ryugu-to-make-a-crater-2\/","title":{"rendered":"Hayabusa2 has blasted the surface of asteroid Ryugu to make a crater"},"content":{"rendered":"

Hayabusa2 has blasted the asteroid Ryugu with a projectile, probably adding a crater to the small worlds surface and stirring up dust that scientists hope to snag.<\/p>\n

The projectile, a two-kilogram copper cylinder, separated from the Hayabusa2 spacecraft at 9:56 p.m. EDT on April 4, JAXA, Japans space agency, reports.<\/p>\n

Hayabusa2 flew to the other side of the asteroid<\/a> to hide from debris that would have been ejected when the projectile hit (SN: 1\/19\/19, p. 20<\/em>). Scientists wont know for sure whether the object successfully made a crater, and, if so, how big it is, until the craft circles back. But by 10:36 p.m. EDT, Hayabusa2s cameras had captured a blurry shot of a dust plume spurting up from Ryugu, so the team thinks the attempt worked.<\/p>\n

\u201cThis is the worlds first collision experiment with an asteroid!\u201d JAXA tweeted<\/a>.<\/p>\n

Hayabusa2 plans to briefly touch down inside the crater to pick up a pinch of asteroid dust. The spacecraft has already grabbed one sample of Ryugus surface<\/a> (SN Online: 2\/22\/19<\/em>). But dust exposed by the impact will give researchers a look at the asteroids subsurface, which has not been exposed to sunlight or other types of space radiation for up to billions of years.<\/p>\n

If all goes as planned, Hayabusa2 will return to Earth with both samples in late 2020. A third planned sample pickup has been scrapped because Ryugus boulder-strewn surface is so hazardous for the spacecraft.<\/p>\n

Comparing the two samples will reveal details of how being exposed to space changes the appearance and composition of rocky asteroids, and will help scientists figure out how Ryugu formed<\/a> (SN Online: 3\/20\/19<\/em>). Scientists hope thRead More \u2013 Source<\/strong><\/a><\/p>\n

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science news<\/a><\/h5>\n

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