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English: Pictured here at sunset is one of the four Auxiliary Telescopes (ATs) of the Very Large Telescope Interferometer (VLTI), shown at ESO's Paranal Observatory. The faint crescent Moon can be seen
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Why are planets round? | BBC Sky at Night Magazine
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By Mitchell Round. History of Telescopes The earliest evidence of working telescopes were the refracting telescopes that appeared in the Netherlands. - ppt download