Home Science/Nature Hayabusa-2: Japanese spacecraft lands for final asteroid mission

Hayabusa-2: Japanese spacecraft lands for final asteroid mission

by InterSpaceReporter

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Staff and researchers from Japan’s space agency, JAXA, celebrate in the mission control room

A Japanese spacecraft has landed on a faraway asteroid, where it will collect space rock that may hold clues to how the universe evolved.

The successful touchdown on the Ryugu asteroid was met with relief and cheering in the control room at Japan’s space agency, JAXA.

It is the second landing for the unmanned Hayabusa-2, which touched down on the asteroid in February.

After blasting a crater into Ryugu, it has returned to pick up fresh rubble.

As the samples will come from within the asteroid, they will not have been exposed to the harsh environment of space.

It’s hoped the rock will give scientists more data on the origins of the Solar System.

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Jaxa et al.

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Ryugu holds key clues into the origin of the Solar System

Hayabusa-2 is due to bring the specimens back to Earth next year.

Left over from 4.5 billion years ago

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Ryugu belongs to a particularly primitive type of space rock, left over from the early days of our Solar System.

It may therefore contain clues about the conditions and chemistry of that time – some 4.5 billion years ago.

Hayabusa-2 started its mission to reach Ryugu in 2014, launching from Japan’s space port Tanegashima.

The asteroid is a 900m-wide space rock, about 290 million km (180 million miles) from Earth.

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Akihiro Ikeshita

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Artwork: Scientists want to retrieve a pristine sample of material from the crater

Asteroids are essentially leftover building materials from the formation of the Solar System.

It’s also thought they may contain chemical compounds that could have been important for kick-starting life on Earth.

They can contain water, organic (carbon-rich) compounds and precious metals.

The last of those has even tempted several companies to look into the feasibility of asteroid mining.

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