universe & solar system section 5 MCQ Questions & Answers Detailed Explanation

Answer: (d)

Venus has the highest albedo of any planet in our solar system. Venus is so bright partly because it reflects over 70 percent of the sunlight striking it.

It owes its reflective ability to the fact that it’s blanketed with clouds. Sunlight bouncing from these clouds is what makes Venus so bright.

Answer: (c)

Jupiter takes maximum time for one revolution around the sun.

Jupiter revolves or orbits around the Sun once every 11.86 Earth years, or once every 4,330.6 Earth days.

Jupiter travels at an average speed of 29,236 miles.

Answer: (a)

Answer: (a)

The Earth is closest to the Sun or at its Perihelion- about two weeks after the December solstice, i.e. 3 January and farthest from the Sun or at its Aphelion, about two weeks after the June solstice, i.e., 4 July.

Answer: (a)

The largest planet in our solar system is Jupiter. Jupiter is the fifth planet from the Sun and the largest planet in the Solar System.

It is a gas giant with mass one-thousandth of that of the Sun but is two and a half times the mass of all the other planets in the Solar System combined.

Answer: (c)

The planet which is called twin sister of earth is Venus. Venus is known as the Earth’s twin because of its similar size, chemical composition and density.

However, due to its toxic atmosphere, Venus is not habitable.