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South Korea also plans to send a probe into orbit of the moon two years later. I was worried that it would work out, but this is an evaluation that we are stepping forward as we devise a new way to suit our situation.

Reporter Jung Gu-hee.

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Originally, it was the plan of the Korea Aerospace Research Institute to send a probe to Earth from the Earth.

However, it was pointed out that the fuel consumption was so high that the probe would not meet the one-year period required.

Hae-Hyun expanded his field of view to a more distant universe and found a new way.

It launches a probe into the sun and then uses the gravity of the sun and earth to reach the moon.

It takes 2 times longer and 4 times longer, but you can use gravity to save a lot of fuel and increase your exploration period.

Until last year, the fuel problem wasn't resolved, so there was a lot of internal mistrust, but the mood changed.

When I asked 27 researchers, the response that they would succeed in 4 months ago increased to 21 last month.

NASA, which was originally negative for the launch orbit, has also changed.

[Lee Sang-ryul / Hang Woo-yeon, Director of the Moon Exploration Project Team: (Screw side) When I first met, I think it was almost half-hearted for us. Recently, it seems that they are trusting us with confidence after going through the design certification review meeting called DCR.] The

problem is that flying in a new orbit is a very difficult technology, and there have been few successful cases worldwide.

In addition, as it is necessary to select the appropriate gravity-launching day and launch, anti-accident plans to finish all preparations by June 2022, two months before the scheduled launch date.

(Video editing: Hojin Kim, VJ: Hyungjin Kim)