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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...

Dutch-Chinese radio telescope antennas unfolded behind the moon

The three antennas on the Dutch-Chinese radio telescope, which is currently located behind the moon, have been unfolded. This was officially announced today by the Dutch team. The Netherlands-China Low Frequency Explorer (NCLE) hung in space waiting for over a year. This was longer than initially planned, as the accompanying communications satellite had to assist a Chinese lunar lander for a longer time.

from Space Exploration News - Space News, Space Exploration, Space Science, Earth Sciences https://ift.tt/2ORYYFB

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