Which of the following statements are correct regarding the solar system? I. Mercury is the hottest planet in the solar system II. Ganymede, satellite of Saturn, is the largest satellite in the solar system III. Neptune is surrounded by methane gas rings of sub-zero temperature IV. Phobos and Deimos are two satellites of Mars

Consider the following statements about some planets in the solar system: 1. Mercury has no atmosphere. 2. Venus has two moons. 3. There is no land on Jupiter. 4. Rings of Saturn are composed of lump…

Consider the following statements regarding asteroids : 1. Asteroids are rocky debris of varying sizes orbiting the sun 2. Most of the asteroids are small but some have diameter as large and 1000 km…

What is the difference between asteroids and comets? 1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. 2. Asteroids are fo…

Which one of the following statements is correct with reference to our solar system?

Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars. Statement-II: Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one o…