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Kemble s Cascade | Facts and how to see it - BBC Sky at Night Magazine
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Owl Cluster | Images and facts - BBC Sky at Night Magazine
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When we look at the night sky, how far back in time can we see?
January 8, 2021 at 11:22 am
When we look up at the stars, we are looking back in time. The light entering our eyes from these distant objects set off years, decades or millennia earlier. Every time we look at something ‘up there’ we’re seeing it as it was in the past.
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With enormous modern telescopes and sensitive detectors, professional astronomers can see far beyond what most back garden telescopes are capable of. The Hubble eXtreme Deep Field (XDF) was created by using 10 years of Hubble Space Telescope images and reveals galaxies spanning 13.2 billion years in time: about 0.6 years after the birth of the Universe. The deep field captures such distant light, most of the galaxies are seen as they existed in their infancy. Credit: NASA, ESA, G. Illingworth, D. Magee, and P. Oesch (University of California, Santa Cruz), R. Bouwens (Leiden University), and the HUDF09 Team
Christmas night astronomy: what to see in the night sky on 25 December
December 21, 2020 at 11:30 am
Aside from the turbulent year that was 2020, many people have discovered the joy of looking up at the night sky for the first time this year, and will have asked for a telescope this Christmas. Every year as the Sun sets at the end of Christmas Day, turkey-stuffed astronomy newcomers unpack their first telescope and head outside.
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Yet as new telescope owners stand there beneath the winter sky, their wacky Christmas jumpers hidden beneath thick coats and mighty Orion staring down at them, many may be disappointed – especially if the expectation was to see breathtaking views through their new telescope as good as the Hubble and Voyager images printed on its box.
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