Astronomy homework help

Suppose the semi-major axis of the Earth was 1.3 A.U. Would it be easier to measure parallax? A) Yes, it would be slightly (1.3 times) easier to measure parallax. B) Yes, it would be more than 10 times easier to measure parallax. C) No, it would be slightly (1.3 times) harder to measure parallax. D) No, it would be more than 10 times harder to measure parallax. E) It would make no difference — the star are so far away, it would be just as hard to measure parallax.

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