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Assertion (A): A year in a purely lunar calendar is about 11 days shorter than a solar year. Reason (R): Twelve lunar months of about 29.5 days each add up to about 354 days.
A solar year has exactly 365 days.
Distinguish between a solar calendar and a lunar calendar. Give one example of each.
Meera notices that the constellation Orion (Mriga) is high in the sky at 9 pm in January, but it cannot be seen at 9 pm in July. Explain why. Will Orion return to the same place at 9 pm next January?
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