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单词 Hayabusa 2
释义
Hayabusa 2

Astronomy
  • A Japanese mission launched in 2014 December to collect samples from the C-type asteroid (162173) Ryugu. It arrived at the asteroid in 2018 June. During an 18-month stay Hayabusa 2 mapped Ryugu from close orbit and fired a small impactor to make an artificial crater. Two small rovers called HIBOU and OWL were released in 2018 September and a third, called MASCOT, in 2018 October to study the surface. Hayabusa 2 collected samples from two locations by descending to touch the surface with a probe. Hayabusa 2 arrived back at Earth in 2020 December, ejecting its samples in a return capsule before flying on to pass asteroid 2001 CC21 in 2026 and rendezvous with asteroid 1998 KY26 in 2031. http://www.hayabusa2.jaxa.jp/en/ Official project website.

    http://global.jaxa.jp/projects/sat/hayabusa2/ Official project website.


Geology and Earth Sciences
  • A successor asteroid sample-return mission to the first Hayabusa (see muses-c), the spacecraft was launched on 3 December 2014 and reached the near-Earth asteroid Ryugu on 27 June 2018. On 21 September Hayabusa (the name means ‘peregrine falcon’) released two landers from a height of 60 m, both called Minerva-II, which landed safely on the asteroid and began returning images. On 3 October Hayabusa released the lander Mascot (Mobile Asteroid Surface Scout) from a height of 56 m, carrying instruments to measure Ryugu’s mineral composition, temperature, and magnetic properties. Hayabus 2 returned samples to Earth in December 2020.


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