Class 7 Unit-11 (The Earth & Space)
Unit-11 The Earth & Space Exercise D. Differentiate between: Stars and planets Stars have their own light; planets do not have their own light. Stars are hot and glow; planets reflect sunlight. Inner planets and outer planets Inner planets are closer to the Sun and are rocky (like Mercury, Venus, Earth, Mars). Outer planets are farther and are gaseous (like Jupiter, Saturn, Uranus, Neptune). Planets and minor planets Planets are large celestial bodies revolving around the Sun in clear orbits. Minor planets (like asteroids) are small and irregular. E. Give reasons: The planets nearer to the Sun are hotter than that of farther ones. Because they receive more heat and light from the Sun. Pluto is not considered a planet. Because it does not clear its orbit and is too small; it is now called a dwarf planet. Even though many comets and asteroids revolve around the Sun, they are no...