Recent content by danielravennest

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    Zoozve — the strange 'moon' of Venus that earned its name by accident

    What a wonderful story. Thanks for sharing it.
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    Can space-based solar power really work? Here are the pros and cons.

    I've done work on space solar power for Boeing and the Space Studies Institute. The main obstacle has been cost, mainly launch cost. The technology exists, because communications satellite have been beaming energy to Earth for decades. The power is measured in Watts rather than MegaWatts, and...
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    The Elysium effect: The coming backlash to the billionaire 'NewSpace' revolution

    The Starlink network that SpaceX is building will bring internet to parts of the world that don't have it. That's the opposite of joyrides for billionaires. Neither Bezos nor Musk started out billionaires. They got that way by starting businesses that employ a million people or more. We can...
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    US policy could thwart sustainable space development, researchers say

    The main reason we haven't done more the last 40 years is getting to space has been too expensive. The Space Shuttle first launched in 1981, 39 years ago. It was *supposed* to lower launch costs, but that didn't work out. All the other rockets have been throw-aways, and the hardware was...