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Japan successfully tests planetary defence technology | Vietnam Today - Video học tiếng Anh

Japan successfully tests planetary defence technology | Vietnam Today

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0:00Japan's Hayabusa 2 probe has

0:03successfully flown past an asteroid in a

0:06test aimed at assessing whether a

0:09spacecraft could one day be used to

0:11alter the course of an asteroid

0:14threatening Earth. It is the second

0:16successful experiment of its kind

0:19following NASA's DART mission in 2022,

0:22our correspondents in Japan report.

0:29>> Hayabusa 2 was traveling at around

0:3118,000 km per hour when it passed within

0:35800 m of the asteroid Toryfune.

0:37According to the Japan Aerospace

0:39Exploration Agency, JAXA, spacecraft

0:43from other countries have previously

0:44carried out similar flybys.

0:47But they generally observe their targets

0:49by telescope from distances of more than

0:52100 km.

0:56>> This technique requires the probe to

0:58approach the asteroid with extremely

1:01high precision. I believe it is

1:02important to refine this kind of

1:04technology so that it is ready when

1:06needed.

1:11>> Hayabusa 2 used its onboard camera to

1:14photograph the asteroid Toryfune while

1:17gathering data with a range of sensors

1:19and automatically making decisions to

1:22adjust its own flight path.

1:24The flyby was designed to avoid any

1:27collision.

1:30>> To be honest, I never thought we would

1:32be able to capture an image like this. I

1:35am absolutely delighted. I would like to

1:37thank the research team for all their

1:39efforts.

1:41>> In 2022, NASA successfully altered the

1:44orbit of an asteroid by crashing its

1:46DART spacecraft into it.

1:48The latest Hayabusa 2 experiment has

1:51added close-range observation

1:52capabilities, which could help inform

1:55future efforts to deflect asteroids from

1:57their course.

1:59Compared to approach missions, an

2:01asteroid flyby happens in just an

2:03instant, and the scientific data

2:05collected is also limited. However, it

2:08allows for experiments to design a

2:09collision mission to deflect an asteroid

2:12and protect the Earth.

2:15Vietnam Television's resident reporter

2:18reporting from Tokyo, Japan.