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Tech Time Machine: 24 April

The atmosphere's great for protecting us from nasties, like solar radiation, but it's not so helpful to astronomers.

Now playing: Watch this: Tech Time Machine: 24th April
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The atmosphere's great for protecting us from nasties, like solar radiation, but it's not so helpful to astronomers.

So, on this day in 1990, NASA launched the Hubble Space Telescope into orbit, and all of our problems were solved, right? Well, not quite, as we discover on this episode of Tech Time Machine.