1.

State the difference between full moon and a new moon. After how many days a full moon changes into new moon?

Answer»
New moonFull moon
When sun and moon are on the same side of earth, a new moon appears.When sun and moon are on the opposite side of the earth, a full moon appears.
A new moon is when no part of moon is visible from the Earth.A full moon is when the whole moon is visible .
A solar eclipse can only happen at new moon.A lunar eclipse can only happen at full mooon.

A full moon changes into new moon after 15 days. The day on which the whole bright disc of moon is visible to us on earth is called the ‘full moon day’. Thereafter, every night the size of the moon goes on becoming smaller and smaller and after 15 days the moon is not visible again.



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