With a space elevator, a backyard full of solar panels could launch about 500 horses per year, and a large power plant could launch 10 horses per minute.

"Payloads", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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With a space elevator, a backyard full of solar panels could launch about 500 horses per year, and a large power plant could launch 10 horses per minute.