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    • CommentTimeAug 6th 2019
    I'll bet they would work for lasers too. Xray satellite killer laser satellites.
    Posted By: Andrew PalfreymanTurning Earth Into a Telescope | The Terrascope
    Now Paul Gilster has a nibble at the concept
    And now JMG which point I had a thought.

    (Yes I did my Captinge! Yeehee!!)

    How about a giant magnifying glass for our own star, the sun? You've basically got a massive collection area for free without building solar cells for umpteen square kilometres. This may turn out to be a very cost-effective way to do space-based solar power.
    • CommentTimeAug 16th 2019
    How do you make this thing? There will be a tradeoff, Shirley, between collecting more light and collecting enough heat that their efficiency dies. Or vaporising them.
    • CommentAuthorAsterix
    • CommentTimeAug 16th 2019 edited
    "All that glisters is not gold'

    --Morrocco, Merchant of Venice Act II, Scene 7.

    "Not all that tempts your wandering eyes
    And heedless hearts, is lawful prize;
    Nor all that glisters, gold."

    --Thomas Gray, "Ode on the Death of a Favourite Cat Drowned in a Tub of Goldfishes"
    • CommentTimeAug 16th 2019
    So Bluebottle. You admit that the Giant Solar Lens is not to be taken seriously?
    No, actually. It's a brilliant, original idea, even though I say so myself.

    "Giant Solar Lens"(C) Andrew Palfreyman 2019 works. I'll use that. ThanksTM.
    • CommentTimeAug 16th 2019 edited
    Right then. Please take this intrinsically amusing object and sketch in that sand dune the orbit that holds the solar array in focus.
    Oh, I suppose you think this is going to be a free lunch eh? Well listen laddy, we know your type. As it happens, the device is awash in excess power and a teeny tiny sliver of this can be siphoned off for bravissimo station-keeping, so there.

    This might help
    • CommentTimeAug 21st 2019
    This is about Earth, but may also be relevant to other planets. (Mars?)
    • CommentTimeAug 29th 2019
    James Webb Space Telescope nears completion.
    Let's hope it doesn't get blown up on the launch pad.
    Posted By: Andrew PalfreymanLet's hope it doesn't get blown up on the launch pad.

    Or they forgot to convert from rods to leagues again and got the focus all unfocused.
    • CommentAuthorAsterix
    • CommentTimeAug 30th 2019
    A litmus test for paranoids.
    • CommentTimeSep 1st 2019