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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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Lunar gold rush is about to start—and we could exhaust the solar system in less than 500 years

The US president, Donald Trump, has stuck to his plan to send humans back to the moon in the next five years, recently giving the project a US$1.6 billion shot in the arm. Whether he succeeds or not, the first successful landing on the lunar far side by China, the European Space Agency's recent "lunar village" concept and a myriad of private companies all gearing up for commercial human spaceflight indicate that a human return to the moon may be about to begin in earnest.

from Space Exploration News - Space News, Space Exploration, Space Science, Earth Sciences http://bit.ly/2WqbEJE
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