Culgoora Solar Observatory. Astronomer uses a solar telescope at the Culgoora Solar Observatory near Narrabri in New South Wales, Australia. This 12 c

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Culgoora Solar Observatory. Astronomer uses a solar telescope at the Culgoora Solar Observatory near Narrabri in New South Wales, Australia. This 12 centimetre solar telescope is fitted with a hydrogen-alpha filter, used to observe solar flares and other phenomena.

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Photo credit: © DAVID NUNUK/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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