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What If We Covered the Moon With Solar Panels?
WHAT IF
Follow
2/19/2024
How big would this facility be?
Category
📺
TV
Transcript
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00:00
Not too far from Earth is a giant space rock
00:08
that has silently played host to just 12 people in its entire history.
00:13
What would happen if we put our cosmic satellite to work
00:16
by covering it with solar panels?
00:18
What would it take to build an enormous power plant on the Moon?
00:22
How big would this facility be?
00:25
And how much time would it take to finish this mega construction?
00:29
This is WHAT IF, and here's what would happen
00:32
if we covered the Moon with solar panels.
00:36
Because the Moon has little to no atmosphere,
00:39
there's no wind, no rain, and no clouds on that space rock.
00:43
If a lunar weatherman were to tell you the forecast,
00:46
it would always be the same.
00:48
"Once again today, you're looking at the daytime high of 130 degrees and sunny, sunny, sunny."
00:55
Imagine how much energy we'd collect from a place where the Sun never stops shining.
01:00
But how would we even build a solar plant on the Moon?
01:05
One Japanese company, Shimizu, already has that covered.
01:09
They want to build a so-called "lunar ring."
01:12
And yes, it would look just the way it sounds -
01:14
a ring of solar panels spanning around the Moon.
01:18
The construction would stretch for 11,000 km (3,000 mi) along the Moon's equator,
01:23
and would reach 400 km (1,000 mi) in width.
01:26
That's enough to cover half of the United States.
01:29
Where on Earth would we even find enough materials for assembling this enormous solar plant?
01:35
Well, the answer lies outside of our planet's natural budget.
01:40
Most of the building materials would come from the Moon itself.
01:44
We'd only have to launch the initial equipment over there.
01:47
Just enough to start building more equipment, and manufacturing lunar robots.
01:52
Then a team of robots, together with a group of astronauts, would handle the rest.
01:57
For starters, they'd construct huge excavator and ore processing machines to mine the Moon.
02:03
Then, they'd begin assembling solar panels from the lunar materials.
02:07
With nothing but lunar soil and gravel, they'd make concrete, ceramics, and solar cells.
02:13
Meanwhile, astronauts on Earth would be working on building spaceports in low-Earth's orbit
02:18
to ship the remaining supplies, like hydrogen, to the Moon.
02:23
Even with the most advanced technology we can think of,
02:26
the construction would take at least two generations of humans to complete.
02:30
But once it's done, we'd have a super-efficient lunar power plant, churning out power 24/7.
02:37
Because there are no bad weather days on the Moon, ever.
02:41
But what about getting that power back to Earth?
02:44
Well, that's the fun part.
02:47
On the Moon, the lunar power plant would transmit solar power to the energy converting facilities.
02:53
From there, the converted power would be beamed to power collecting stations on Earth,
02:58
with lasers and microwaves.
03:00
How cool is that?
03:02
Potentially, it could deliver so much energy that we wouldn't need any other power sources at all.
03:08
Maybe building the lunar power plant would happen at the same time we constructed a human-occupied Moon base
03:14
that would one day grow into a fully operational human colony.
03:18
But that's a story for another WHAT IF.
03:22
[ ♪ Outro ]
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