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National Schools'
Observatory
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collect lots of light and
focus it onto detectors
using mirrors or lenses.
Factfile: Telescopes
We use telescopes tocollect lots of light and
focus it onto detectors
using mirrors or lenses.
Large modern telescopes,
like the Keck Telescope
shown below, can collect
6,000,000 times as much
light as the human eye.
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Keck Telescope
Keck Telescope
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National
Schools'
Observatory
Schools'
Observatory