(a) Which is the planet nearest to the Sun? Why is it difficult to observe it?
(b) Why no life exists on moon ?
Asked by Topperlearning User | 21st Feb, 2014, 01:21: PM
(a) Mercury is the nearest planet to the Sun. It is difficult to observe it as most of the time it is hidden in the glare of the Sun.
(b) No life exists on moon because there is no atmosphere and no water.
Answered by | 21st Feb, 2014, 03:21: PM
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