Question

which is the convenient to express the d instance from the earth to the star thiruvathira​

Answer 1

parsec

The parsec is the unit astronomers use professionally, and is celebrating its 100th birthday this year. The light-year has long been used by astronomers when they are trying to communicate to a broad audience, perhaps with mixed success. A parsec is 206,265 AU and is roughly the distance to the nearest stars.

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