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The Andromeda Galaxy in Ultraviolet

By iftttauthorways4eu on Sun Jul 18 2021

What does the Andromeda galaxy look like in ultraviolet light? Young blue stars circling the galactic center dominate. A mere 2.5 million light-years away, the Andromeda Galaxy, also known as M31, really is just next door as large galaxies go. Spanning about 230,000 light-years, it took 11 different image fields from NASA’s Galaxy Evolution Explorer […]

Wikipedia article of the day for July 18, 2021

By iftttauthorways4eu on Sun Jul 18 2021

Wikipedia article of the day is Temporary gentlemen. Check it out: Article-Link Summary: “Temporary gentlemen” is a colloquial term referring to male officers of the British Army who held temporary (or war-duration) commissions, particularly when such men came from outside the traditional officer class. Historically the officers of the British Army were drawn from the […]

Alphonsus and Arzachel

By iftttauthorways4eu on Sat Jul 17 2021

Point your telescope at tonight’s first quarter Moon. Along the terminator, the shadow line between night and day, you might find these two large craters staring back at you with an owlish gaze. Alphonsus (left) and Arzachel are ancient impact craters on the north eastern shores of Mare Nubium, the lunar Sea of Clouds. The […]

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