Scientists resolve the mystery behind sudden dimming of supergiant Betelgeuse star and dismissed theories that suggested that the star might be entering the last stage of its evolution.
About Betelgeuse star
- It is a red supergiant star with a distinctive orange-red hue.
- It is roughly 10 million years old and is much younger than the Sun.
- It is around 700 light-years away from the Earth.
- It is located in the Orion constellation.
- It is particularly easy to spot because of its brightness; it is often the tenth-brightest star in the sky.
- It is also one of the largest stars visible to the unaided eye.
- While it is large and bright, Betelgeuse isn't actually that hot, with a surface temperature of about 6,000 degrees Fahrenheit (over 3,300 degrees Celsius).
- Betelgeuse has been classified as a "semiregular variable star," which is a type of variable star that periodically waxes and wanes in brightness and occasionally undergoes irregular light changes.
- Betelgeuse, typically, has a 400-day cycle as well as a longer cycle that stretches about 5 years.
Q1) What is a constellation?
It is a recognizable and traditionally established group of stars in the night sky that appears to form a pattern or shape when observed from Earth. People have been identifying and naming constellations for thousands of years, and these patterns have played a significant role in various cultures, navigation, and astronomy.