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M27: Not a Comet

By iftttauthorways4eu on Sat Oct 05 2024

While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list of the things encountered during his telescopic expeditions that were definitely not comets. This is number 27 on his now famous not-a-comet list. In fact, 21st century astronomers would identify it as a planetary nebula, but it’s […]

Sunglint on the Alabama River

By iftttauthorways4eu on Fri Oct 04 2024

An astronaut aboard the International Space Station shot this photo of large meanders of the Alabama River while orbiting over the southern United States. The river’s smooth water surface reflects sunlight back toward the astronaut’s camera, producing an optical phenomenon known as sunglint. via NASA https://ift.tt/5MNohqD

Comet at Moonrise

By iftttauthorways4eu on Fri Oct 04 2024

Comet C/2023 A3 (Tsuchinshan–ATLAS) is growing brighter in planet Earth’s sky. Fondly known as comet A3, this new visitor to the inner Solar System is traveling from the distant Oort cloud. The comet reached perihelion, its closest approach to the Sun, on September 27 and will reach perigee, its closest to our fair planet, on […]

Eclipse at Sunrise

By iftttauthorways4eu on Thu Oct 03 2024

The second solar eclipse of 2024 began in the Pacific. On October 2nd the Moon’s shadow swept from west to east, with an annular eclipse visible along a narrow antumbral shadow path tracking mostly over ocean, crossing land near the southern tip of South America, and ending in the southern Atlantic. The dramatic total annular […]

By iftttauthorways4eu on Wed Oct 02 2024

It is the largest satellite galaxy of our home Milky Way Galaxy. If you live in the south, the Large Magellanic Cloud (LMC) is quite noticeable, spanning about 10 degrees across the night sky, which is 20 times larger than the full moon towards the southern constellation of the dolphinfish (Dorado). Being only about 160,000 […]

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