Question
Which among the following is the coldest planet in the solar system?
Answer (Detailed Solution Below)
Option 4: Uranus
Detailed Solution
The correct answer is Uranus.
- Uranus is the seventh planet from the Sun and is known for having the coldest atmosphere in the Solar System.
- The planet's lowest recorded atmospheric temperature is about −224°C (−371°F), making it colder than any other planet.
- Uranus is an ice giant composed mainly of water, ammonia, and methane ices, which give it its distinctive blue-green colour.
- Uranus was discovered in 1791 by William Herschel. It is the third-largest planet in the solar system and is named after the Greek god of the sky.
- Uranus takes 84 years to complete one revolution around the Sun and, like Venus, it rotates from East to West. Its bluish-green color is due to the presence of methane in its atmosphere. Through a telescope, it appears greenish. Uranus has five rings named Alpha, Beta, Gamma, Delta, and Epsilon and 27 known satellites.
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