Soalr System & Observing the sky
Our Solar System D1. Name the hottest planet in our solar system. Is it closest to the sun? Ans: Venus is the hottest planet in our solar system. No Venus is not the closest planet to the sun mercury is the closest one. D2.How much time does the earth take to (i) Revolve once around the sun (ii)To complete one rotation about its own axis. Ans;(i) Earth takes 365 days and 6 hours to revolve once around the sun. (ii)Earth takes 23 hours 56 minutes to complete one rotation about its own axis. D3.State the nature of the shape of the orbit of planets. Ans: The shape of the orbit of planets is elliptical. D4. Write the meaning of the artificial satellites. Ans: Artificial satellites are man-made objects which can be made to revolve around the earth to perform various ta...