A radio signal sent towards the distant planet, returns after "t" s. If "c" is the speed of radio waves then the distance of the planet from the Earth is...............
A RADAR signal is beamed towards a planet and its echo is received 7 minutes later. If the distance between the planet and the Earth is 6.3 xx 10^(10) m. Calculate the speed of the signal.
The nearest galaxy to our Milky ways is
The nearest celestial object from the earth is……….. .
The hottest planet in the solar system is------
The planet Jupiter has ……….satellites.
The masses of two planets are in the ratio 1:2 their radii are in the ratio 1:2. Find the ratio of the acceleration due to gravity on the planets .
A planet has the radius twice that of earth and has same density as that of earth. If V_(p)andV_(e) are the escape velocities for the planet and earth, then which of the following correct relation is:
CHETAN PUBLICATION-SPACE MISSIONS-ASSIGNEMENT - 10 (ANSWER THE FOLLOWING) : ANY 1
