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  1. ... similar to the case of the sun during sun rise or sun set. During moon rise, the light from the moon has to travel thicker atmosphere than when...

  2. The mass of the moon is about 1/80 of that of the earth. Since gravitational force is...earth is apparently stronger than the force due to the moon . As such, the point of "zero gravity", where the gravitational...

  3. The gravity of the moon is only about one-sixth that of the earth's: g earth=9.8 ms-2... that you can attain the same initial velocity on the moon , estimate the maximum height you can reach if you jump on the moon ...

  4. The moon is, in fact, attracted by the sun and revolves around it...attraction of the earth is just a perturbation to the the sun's attraction on the moon . Thus, the path of the moon , as viewed by an observer outise the solar...

  5. ...he is able to exert. The astronaut would not become stronger onthe moon . He exerts the same force on the moon as he is on earth. ...

  6. ... for landing. However, atmosphere is absent in the Moon . So there is no air resistance for landing. Even the parachute...

  7. ...a) With X1 = 0.12X2, we have, the apparent magnitude of new moon is: - 12.5 - 10 log 0.12 = - 3.29 (b) With X1 = 30X2...

  8. ...'s 3rd Law, let d be the distance between th earth centre and moon centre hence, (28/1)^2 = (d/6.6R)^3 where 28 days is...

  9. ...speed can remain unchanged. One of the examples is the Moon moving around the Earth. The Earth is always...

  10. ...proportional constant. For the satellite: 90^2 = kR^3 ---------- (1) For the moon : T^2 = k(Rm)^3 ------------- (2) where T is the period of...

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