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Star Betelgeuse - A red supergiant in the constellation Orion

One fascinating star is Betelgeuse, a red supergiant located in the constellation Orion. Here are some intriguing facts about it: 1. Size and Volume: Betelgeuse is immense—if placed at the center of our solar system, it would extend past the orbit of Mars. 2. Variability: It is a pulsating variable star, meaning its brightness changes over time; it has been observed to vary in brightness over several months. 3. Life Cycle: Betelgeuse is nearing the end of its life cycle and is expected to explode as a supernova within the next million years, a relatively short time in astrophysical terms. 4. Distance: It is located approximately 640 light-years away from Earth. 5. Cultural Significance: Betelgeuse has been significant in many cultures and is commonly referred to as the “Shoulder of the Hunter” in the constellation Orion. 6. Color Indicator: Its reddish hue signifies a cooler surface temperature compared to other stars, which gives it a distinctive appearance. Betelgeuse con...
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SOFIA in Stuttgart: First scientific research flight over Europe

On 16 September 2019 at 04:14 CEST, the Stratospheric Observatory for Infrared Astronomy (SOFIA) is expected to land at Stuttgart Airport. The airborne observatory is a joint project by the US space agency NASA and the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR). SOFIA is scheduled to take off from Stuttgart at 19:40 CEST on 18 September for its first scientific research flight over Europe, during which it will fly over 12 countries. The idea behind this is that, during its European mission, SOFIA will fly much farther north than it is able to when taking off from its home base in Palmdale, southern California. The closer the infrared observatory is able to fly to the poles, the less water vapour is present in the atmosphere above it, offering improved observing conditions.

from Astronomy News - Space News, Exploration News, Earth Science News, Earth Science https://ift.tt/32HqgnF
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