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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...

Globular clusters could offer clues on formation and evolution of inner Milky Way

Brazilian astronomer Denilso Camargo has recently discovered five new globular clusters in the Milky Way's bulge that could offer essential clues on the formation and evolution of our galaxy's innermost regions. The newly identified clusters, which are old and metal-poor, have also the potential to improve our understanding of the structure as well as kinematics of the galactic bulge.

from Astronomy News - Space News, Exploration News, Earth Science News, Earth Science https://ift.tt/2DXmnTe

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