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

Samples from six sites are still being analysed today. The figure is taken from NASA ARES, 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

Apollo brought back 382 kilograms of Moon rock

Samples from six sites are still being analysed today Each crew collected rocks, cores and dust, photographing the ground before removal. Three Soviet robotic missions added a further 326 grams. Curated samples are stored in airtight cabinets at NASA's Houston facility, and a little is loaned out each year. It sits in Mondo's space collection, one of 200 facts that each trace back to the reference below.

Where this comes from

NASA ARES

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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OSIRIS-REx brought asteroid pieces back to EarthThe capsule returned about 121 grams of rubble from Bennu in 2023 Footprints left on the Moon will last for millions of yearsWithout wind or water erosion Apollo astronaut tracks remain undisturbed Apollo astronauts left retroreflector mirrors on the Moon surfaceLaser pulses fired from Earth measure lunar distance down to millimetres Apollo 8 took the first Earthrise photographThe 1968 crew saw Earth lift above the lunar horizon while in orbit Apollo 13 used the Moon as a slingshot homeMission planners relied on a free return path that looped around the Moon The Apollo guidance computer held about 72 kilobytesIts core memory stored roughly 36,000 words of 15 bits each

Tags: apollo, samples, geology

Apollo brought back 382 kilograms of Moon rock: the short answers

Where does this come from, and can I check it?: Samples from six sites are still being analysed today. The figure is taken from NASA ARES, 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.