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Israel Wants to Land on the Moon. First Its Spacecraft Needs to Stick the Orbit.



Israeli nonprofit, robotic spacecraft built on track for landing on the moon next week.

On Thursday, after already traveling more than 3.4 million miles, it is to pull off a crucial bit of gymnastics – swinging from a highly elliptical orbit around Earth to one around the moon.

This is actually the most critical maneuver that will be done during the mission, ”said Ido Anteby, chief executive of the nonprofit, SpaceIL. “Except, of course, the landing.”

SpaceIL will broadcast coverage of the event from its control center in Israel on its Facebook page beginning at 9:30 am Eastern Time

If Beresheet misses that rendezvous, it probably won't have another chance.

"It's not a complex maneuver," Mr. Doron said. “It's just a time to have a sudden small problem. We'll be nervous. ”

If the maneuver works, Beresheet will be reintroduced into an elliptical orbit around the moon, passing within 310 miles of the surface and swinging out as far as 6,200 miles away.

week, it will fire its engine again to pull into a circular orbit 124 miles above the moon's surface. If all continues to go to plan, Beresheet is to attempt a soft landing on April 11. To date, which is a feat that has only been accomplished by the governmental space agencies of the United States, the former Soviet Union and China. [19659002] SpaceIL's original goal was to win the Google Lunar X Prize competition, which offered $ 20 million for the first privately funded venture to put a robotic spacecraft on the moon. But the prize expired last year before any of the teams could claim it.

SpaceIL pushed on, with the hope that its mission would inspire Israeli students to pursue careers in science and engineering.

Mr. Doron said Beresheet has done just that.

On Purim, a Jewish holiday where people dress up in costumes much like on Halloween, "Everywhere you went, people were dressed up as Beresheet – or astronauts," Mr. Doron said. "The main parade had a huge float made of balloons shaped like bereavement. It's an amazing impact. ”

The X Prize Foundation announced last week that it would give a special $ 1 million Moonshot Award to landing on landing.

Not everything has gone perfectly for readiness. Its computer has crashed several times. Its star trackers, used to help spacecraft's navigation, have been blinded, even when not looking directly at the sun.

Engineers have not figured out the causes of all of the glitches, but they have figured out how to work around them

"The spacecraft is working," Mr. Anteby said. "We are happy with what we have."

The landing itself, aiming for a lava known as the Sea of ​​Serenity, will be the trickiest part of the mission.

"Would you fly in a helicopter with the windows closed, landing just by a laser sensor that has never been tested before, without maps?" “You probably would fly on that helicopter. That's what we're trying to do. ”


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