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Doctors Medicines MCQs Q&A

  1. Neptune
  2.  Uranus
  3. Saturn
  4.  Mars
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1 Answers

Option 1 : Neptune

The correct answer is Neptune.

  • Neptune
    • It has the strongest winds in the Solar System. Hence, Option 1 is correct.
    • Winds whip clouds of frozen methane across the planet at speeds of more than 1,200 miles per hour (2,000 kilometres per hour). This is close to the top speed of a U.S. Navy F/A-18 Hornet fighter jet! The most powerful winds on Earth reach only about 250 miles per hour (400 kilometres per hour).
    • Dark, cold, and whipped by supersonic winds, ice giant Neptune is the eighth and most distant planet in our solar system.
    • More than 30 times as far from the Sun as Earth, Neptune is the only planet in our solar system not visible to the naked eye and the first predicted by mathematics before its discovery.
    • In 2011 Neptune completed its first 165-year orbit since its discovery in 1846.

  • Mars
    • It is often referred to as the “Red Planet” because of the reddish iron oxide prevalent on its surface.
    • Mars has a thin atmosphere and has surface features ranging from impact craters of the Moon and the valleys, deserts, and polar ice caps of Earth.
    • Mars is the site of Olympus Mons (shield volcano), the largest volcano and the highest known mountain (24 km) in the Solar System, and of Valles Marineris, one of the largest canyons in the Solar System.
    • Mars has two irregularly shaped moons, Phobos and Deimos, which are thought to be captured asteroids.
  • Saturn
    • Saturn’s rings are probably made up of billions of particles of ice and ice-covered rocks.
    • Titan is the second-largest moon in the Solar System (larger than Mercury) and it is the only satellite in the Solar System with a substantial atmosphere (nitrogen-rich).
  • Uranus
    • Uranus is the seventh planet from the Sun and has the third-largest diameter in our solar system.
    • It was the first planet found with the aid of a telescope, Uranus was discovered in 1781 by astronomer William Herschel, although he originally thought it was either a comet or a star.
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Related Questions

In the following question, the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/ passage and find out which of the four combinations is correct. 1. Jupiter has 2.5 times more mass than all the other planets of the solar system combined and is 11 times as large as Earth in diameter. P. Jupiter is so large that scientists believe it almost became a star: as the gases and dust contracted to the form the planet, Q. But there was not enough mass available to create the temperature needed to start a fusion reaction such as that of the Sun. R. Thus, Jupiter has been cooling down ever since.  S. gravitational forces created tremendous pressure and the temperature inside the core—as high as tens of thousands of degrees. 6. Even so, Jupiter radiates about as much heat as it receives from the Sun.?
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