Page 326 - 89 history of astronomy_opt

actness, and assuming a smaller mean dis-
tance.
In September, 1845, he handed to Chal-
lis the elements of the hypothetical planet,
its mass, and its apparent position for Septem-
ber 30th, 1845. On September 22nd Challis
wrote to Airy explaining the matter, and
declaring his belief in Adams’s capabilities.
When Adams called on him Airy was away
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