Berry, Arthur,b. 1862 · London, J. Murray · leaf 458
een recorded, but differentobservers give very different accounts of them. The rotationperiods are also very uncertain, though a good many astrono-mers support the view put forward by Sig. Schiaparelli, in1882 and 1890 for Mercury and Venus respectively, thateach rotates in a time equal to its… … «, £
Astronomy
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