Hubble Telescope: 25 Years Of Unveiling The Universe

Despite a blurry start to its service, the Hubble Space Telescope is still serving as one of the best visual science tools on or off the planet.

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[ingridramey]

How do we know if the light that's taken billions of years to get here is still there. If we're looking into the past which they say we are how do we know the past is still there or what is there in its place because the light hasn't reached us or the darkness somebody answer this for me