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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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Research helps people, lunar rovers, get there on time

A graduate student relied on the bus system to get to class. He wanted to understand why, despite arriving at the bus stop on time, he was sometimes late to class. He developed a tool that considers transportation variables weighed against how great a margin of error bus riders are willing to accept, which can also apply to getting a lunar rover to its destination, and with a high degree of reliability.

from Space & Time News -- ScienceDaily https://ift.tt/3mR6LUD
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