Description : which Planet is Called Earth’s Sister? A. Mercury B. Venus (Answer) C. Mars D. Neptune
Last Answer : B. Venus (Answer)
Description : Why Earth is called the blue planet? (1) Because of two-thirds surface covered by water (2) Because of water laden clouds in the atmosphere (3) Because of pollution in the atmosphere (4) None of these
Last Answer : (1) Because of two-thirds surface covered by water Explanation: Earth is called the blue planet because two-thirds of its surface is covered by water.
Description : How far is the planet Uranus from Earth ?
Last Answer : 261.9 crore km. (Almost).
Description : Rotational axis of which of the following planet is highly tilted? (1) Earth (2) Uranus (3) Neptune (4) Jupiter
Last Answer : (2) Uranus Explanation: Uranus has a ring system, a magnetosphere, and numerous moons. The Uranian system has a unique configuration because its axis of rotation is tilted sideways, nearly into the plane of its solar orbit.
Description : Which planet is nearest to the sun? (1) Earth (2) Jupiter (3) Mercury (4) Mars
Last Answer : (3) Mercury Explanation: At an average distance of only 57.9 million km, Mercury orbits closer to the Sun than any other planet. Mercury takes only 88 days to complete an orbit around the Sun.
Description : Which among the following is not an inner planet? (1) Mercury (2) Saturn (3) Venus (4) Earth
Last Answer : (2) Saturn Explanation: The inner planets (in order of distance from the sun, closest to furthest) are Mercury. Venus, Earth and Mars.
Description : On planet Earth, there is no centrifugal force at the – (1) Equator (2) Tropic of Cancer (3) Tropic of Capricorn (4) Poles
Last Answer : (4) Poles Explanation: Some common examples of centrifugal force at work are mud flying off a tire and children feeling a force pushing them outwards while spinning on a roundabout.
Description : Earth is also known as – (1) Black planet (2) Green planet (3) Blue planet (4) Yellow planet
Last Answer : (3) Blue planet Explanation: The Earth is referred to as “the blue planet” because of the abundance of water on the planet.
Description : Velocity of escape is equal to A. r √(2g); where r: radius of Earth or any other planet for that matter, g: gravitational field strength B. g √(2r); where r: radius of ... (2gr); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
Last Answer : √(2gr); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
Description : Which one of the following is called a red planet? (1) Venus (2) Mercury (3) Mars (4) Jupiter
Last Answer : (3) Mars Explanation: Mars is often called the 'Red planer' because it appears in the sky as an orange-red star.
Description : Time taken to complete a revolution around a planet is called A. orbital period B. time period C. frequency D. wavelength
Last Answer : time period
Description : Why is the Earth called the third planet?
Last Answer : Earth is the third planet out from the Sun. There is 1. Mercury, 2. Venus, and 3. Earth.
Description : Which of the following is called “Blue Planet” ? (1) Saturn (2) Earth (3) Jupiter (4) Mars
Last Answer : Earth
Description : What will happen to the object if taken to the moon or another planet ?
Last Answer : If taken to the moon or another planet, the mass of the object will remain the same but the weight will change.
Description : The brightest planet is ______. (1) Jupiter (2) Mars (3) Venus (4) Mercury
Last Answer : (3) Venus Explanation: Venus is one of the brightest objects in the night sky Venus is so bright because its thick clouds reflect most of the sunlight that reaches it (about 70%) back into space, and because it is the closest planet to Earth.
Description : The moon that we see in the sky is a ______. (1) Planet (2) Star (3) Sun (4) Satellite
Last Answer : (4) Satellite Explanation: The moon that we see in the sky is a satellite. It is a companion of our earth and moves round it. Like our earth, there are eight other planets that get heat and light from the sun.
Description : The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:
Last Answer : 8 T