Lunar Rocks Lunar RocksThe Apollo astronauts brought back to Earth some rocks from the moon. We know for certain that they came from the moon. 100% certain. They are like nothing else on Earth and they couldn't have been constructed artificially because they bear the evidence of billions of years exposure to a vacuum, high energy cosmic rays, tiny asteroids and virtually no water. Nothing on Earth could replicated this, either naturally or man-made.
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So how do we know they didn't just fall as asteroids? NASA certainly has examples of these that have been collected from various parts of the world. We can rule asteroids out, however, as they all have the scorching and oxidation inevitable from their fiery entry to Earth through the atmosphere. The Apollo moon rocks, of course, show none of this. |
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But don't take my word for it. Geologist Callum MacAlister emailed me about this;
Moon rocks are certainly non-terrestrial basalt in origin, and do not match in composition any other extraterrestrial rocks (i.e. meteorites). I could go on at great and boring length about QAPF diagrams, intergrown feldspars, oxygen-depleted micas and the like. But I won't.
So, my point? I KNOW man went to the moon. There's no other way moon rocks could have come here. If they had fallen as meteorites, the atmosphere would have oxidized them in a most obvious way. These rocks are genuine, and have spent, oh, the last 5 billion years or so in an oxygen-poor, radiation-bombarded environment (fusion trails...ask me later)
So there we have it. And you don't have to just trust Callum here. Hundreds of other geologists have examined these rocks. None of them have any doubt as to their origin. Unless some kind passing aliens dropped them off for us, they must have come from the moon and arrived unscathed within the Apollo spacecrafts.
The Lunar Sample Laboratory
Facility has lots of information about the moon rocks brought back
by the Apollo landings.
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