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Old 01-06-2008, 23:13   #21
TheBlueRaja
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Re: How to harvest solar power? Beam it down from space!

Quote:
Originally Posted by homealone View Post
A space based parabolic mirror converting sunlight to microwave energy is still a 'satellite', and placing it in geosynchronous orbit would obviate the need to account for the Earth's rotation.

And yes, several of them would be required..

However, I still reckon this is something requiring International co-operation, which I would suggest is the biggest hurdle to overcome, rather than the resource, or the technology.

- liked the 'bird fanciers' 'twitchy' pun, btw
It is still a satellite, but its not a 3000 Tonne one and that was my point. An aluminium foil reflector would be very light.

Also a geosynchronous satellite wouldn't work, the sat would be stationary above a fixed point on the ground but the earth still rotates and the sun disappears at night

I think the height needed for geosynchronous orbit would be to low for it to be peering over the edge of the earth to still catch the sun during the night.

Prove me wrong though, i'm not certain of that.
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