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From UPSC perspective, the following things are important :
Prelims level: Dyson Sphere
Why in the News?
Recently, astronomers have made progress in finding possible candidates as Dyson Sphere, sparking new excitement and debate about extraterrestrial life.
What is a Dyson Sphere?
- Imagine you are an astronomer looking for extraterrestrial life and you find a star covered by solar panels. This structure, collecting massive amounts of solar energy, is known as a Dyson sphere.
- The concept is named after Freeman Dyson, a theoretical physicist who lived from 1923 to 2020.
- Dyson proposed that advanced civilizations would need to harness a star’s energy, constructing a spherical array of solar collectors around it.
- He suggested that the heat emitted as infrared radiation could indicate the presence of these massive structures and thus intelligent life.
Who was Freeman Dyson (1923-2020)?
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PYQ:[2015] The term ‘Goldilocks Zone’ is often seen in the news in the context of (a) The limits of habitable zone above the surface of the Earth (b) Regions inside the Earth-like planets in outer space (c) Search for the Earth-like planets in outer space (d) Search for meteorites containing precious metals |
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