This Lunar Reconnaissance Orbiter image shows Sinus Iridum, the Bay of Rainbows, on the northwestern edge of large Mare Imbrium, the Sea of Clouds. The “Golden Handle” is the curved Jura Mountains, the remains of an impact crater that has been flooded by basalt magma flows. The feature, which is easy to see without a…
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This terrific image of the sword of Orion was taken on January 7, 2019 by Rick Foster of Markham, Ontario. The colourful Messier 42 nebula is glowing by the light of young stars formed within it. The area shown here covers about 2 finger widths of the sky. Hello, mid-winter stargazers! Here are your Astronomy…
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Valentine’s Day is right around the corner! This beautiful object is called the Rosette Nebula (or NGC 2244). It’s located in the constellation of Monoceros (the Unicorn), just to the left (east) of Orion. The Rosette is a cradle of glowing Hydrogen gas that has birthed about 2500 young stars in its centre. This image…
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This wide field image of Orion was captured on January 2, 2020 by Alan Dyer of Alberta, Canada. Orange-tinted Betelgeuse, which marks Orion’s shoulder (top centre), normally shines as bright as Orion’s opposite foot – the bright, blue star Rigel. In the last few weeks, Betelgeuse has diminished noticeably in apparent brightness – a possible…
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This wide field photograph of the sky shows Orion at left and Taurus to the upper right. The stars have been slightly overexposed to emphasize their colours and relative brightnesses. Normally, reddish Betelgeuse at Orion’s shoulder (left above centre) is the same brightness as blue Rigel at Orion’s opposite foot. But recent images shows Betelgeuse…
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Hello, Late Summer Stargazers! Here are your Astronomy Skylights for the week of September 15th, 2019 by Chris Vaughan. Feel free to pass this along to your friends and send me your comments, questions, and suggested topics. I repost these emails with photos at http://astrogeo.ca/skylights/ where all the old editions will be archived. You can…
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