Spacecraft drops Mascot lander on to asteroid

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A scouting device has landed on the surface of an asteroid as part of a research effort that could help reveal the origins of the solar system, Japanese officials have said.

Japan’s Space Exploration Agency (Jaxa) said the Mobile Asteroid Surface Scout, or Mascot, was released from the unmanned Japanese spacecraft Hayabusa2 before successfully landing on the Ryugu asteroid.

The spacecraft travelled to within 160ft of the asteroid’s surface in order to release the box-shaped lander.

Hayabusa2 has been stationed near the asteroid since June after travelling 170 million miles from Earth.

About an hour after the separation, Jaxa said it had received signals from Mascot, indicating it had landed safely.

Jaxa’s Hayabusa project manager, Yuichi Tsuda, confirmed the landing at a news conference.

The asteroid surface
An image captured by Rover-1B from the surface of asteroid Ryugu (Jaxa/AP)

Hayabusa2 dropped the German-French device Mascot on the opposite hemisphere of the jumping rovers to prevent them from interfering with each other’s activity, Jaxa said.

It took more than three years for the Hayabusa2 spacecraft to reach the asteroid’s vicinity, travelling with the probes. Hayabusa2 will later attempt to briefly land on the asteroid itself to collect samples to send back to researchers on Earth.

Ryugu is 170 million miles from Earth (Jaxa/AP)

The lithium battery-run Mascot can operate for 16 straight hours – as the asteroid revolves twice – to collect and transmit data, including temperature and mineral varieties.

The probe bounces only once after its initial touchdown before settling at its final destination.

The shadow of the spacecraft
The shadow of the Japanese unmanned spacecraft Hayabusa2 is clearly visible over the asteroid (Jaxa/AP)

A spectroscopic microscope on the bottom is designed to examine minerals on the asteroid’s surface.

Mascot will also measure levels of magnetic force and temperature on the asteroid.

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