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Complex Numbers #1075348 added August 16, 2024 at 11:15am
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Cave People
With a Blue Moon coming up on Monday, this BBC article seems appropriate to talk about.
It's a good thing it's the BBC, and not, say, the Daily Fail. Because the latter's headline would be something like "Cave discovered on Moon could be home to a space alien civilization"
I mean, that's technically true, for infinitesimally tiny values of "could."
Scientists have for the first time discovered a cave on the Moon.
We expected there would be caves, but it's good to confirm. Otherwise we show up on the moon with spelunking gear, only to find there wasn't a cave after all.
At least 100m deep, it could be an ideal place for humans to build a permanent base, they say.
This author's definition of "ideal" obviously differs from mine. To me, the ideal place for humans to build a permanent base is Hawai'i.
But, okay, I get that it's a suitable location on the moon.
In case you're wondering why caves are good:
Countries are racing to establish a permanent human presence on the Moon, but they will need to protect astronauts from radiation, extreme temperatures, and space weather.
They'll be useful on Mars, too, for the same reasons, plus dust storms. And don't forget meteoroid impacts. Those craters didn't form themselves.
Quibble: if you're going to live at a permanent Moon base (even temporarily), should you still be called an astronaut? They don't call the people living in Antarctica polar explorers.
Helen Sharman, the first British astronaut to travel to space, told BBC News that the newly-discovered cave looked like a good place for a base, and suggested humans could potentially be living in lunar pits in 20-30 years.
And reliable fusion power is 20-30 years away. Has been for 80 years.
But, she said, this cave is so deep that astronauts might need to abseil in and use “jet packs or a lift” to get out.
With gravity 1/6 that of Earth, I'm sure the clever loonies will think of something.
Lorenzo Bruzzone and Leonardo Carrer at the University of Trento in Italy found the cave by using radar to penetrate the opening of a pit on a rocky plain called the Mare Tranquillitatis.
It is visible to the naked eye from Earth, and is also where Apollo 11 landed in 1969.
Today, in Pronouns with Ambiguous Antecedents: Mare Tranquillitatis is visible from Earth (it's one of the big dark splotches). Not the pit.
It was made millions or billions of years ago when lava flowed on the Moon, creating a tunnel through the rock.
I'm pretty sure scientists know whether it was "millions" or "billions." Also, I wasn't aware that the Brits started using "billion" to mean a thousand million, like Americans. It used to mean a million million there. What we call a billion was called a milliard or something, because all those terms were borrowedstolen from French, likely because the Brits didn't have enough fingers to count that high.
Once Prof Bruzzone and Prof Carrer understood how big the cave was, they realised it could be a good spot for a lunar base.
“After all, life on Earth began in caves, so it makes sense that humans could live inside them on the Moon,” says Prof Carrer.
I realize it's in a quote and not the author's words, but that sentence has so much wrong with it that I hardly know where to begin.
That could open the door to finding evidence of life on Mars, because if it did exist, it would almost certainly have been inside caves protected from the elements on the planet’s surface.
I'm not sure about that one, either. Is the author talking about finding fossilized evidence of life on Mars? Because that could very well be on the surface, especially in places where water once covered. Existing life on Mars is still entirely speculative, but I'd agree that if it did exist, it'd be underground.
In any case, I find it amusing that we think of early humans as "cave people," and here we are making plans to encave ourselves on other worlds. |
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