Where does this come from, and can I check it?

No spacecraft had touched down on the hidden hemisphere before 2019. The figure is taken from NASA Science, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a space fact?

Yes. It sits on the Space shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Chang'e 4 landed on the Moon's far side

No spacecraft had touched down on the hidden hemisphere before 2019 The Chinese lander set down in Von Karman crater in January 2019, inside the oldest and largest impact basin on the Moon. A relay satellite called Queqiao, parked beyond the Moon, kept the lander in contact with Earth. Its Yutu-2 rover went on to probe material excavated from deep in the lunar crust. It sits in Mondo's space collection, one of 200 facts that each trace back to the reference below.

Where this comes from

NASA Science

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Space & Astronomy trivia

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A day on Mars lasts 24 hours 40 minutesRover teams work on Mars time and shift their day slightly each day Luna 3 photographed the Moon's hidden sideThe 1959 Soviet probe returned the first images of the far hemisphere InSight measured Mars quakes and sized its coreThe lander's seismometer revealed a large partly molten iron core OSIRIS-REx brought asteroid pieces back to EarthThe capsule returned about 121 grams of rubble from Bennu in 2023 DART nudged an asteroid onto a new orbitThe 2022 impact shortened Dimorphos's orbit around Didymos by 32 minutes Lucy is touring Jupiter's Trojan asteroidsThe mission visits ancient bodies sharing Jupiter's orbit in two clouds

Tags: change-4, far-side, rovers

Chang'e 4 landed on the Moon's far side: the short answers

Where does this come from, and can I check it?: No spacecraft had touched down on the hidden hemisphere before 2019. The figure is taken from NASA Science, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a space fact?: Yes. It sits on the Space shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.