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Michaelson, Newcomb, and the present writer.
Quite lately Halm, at the Cape of Good
Hope, measured spectroscopically the ve-
locity of the earth to and from a star by ob-
servations taken six months apart. Thence
he obtained an accurate value of the sun’s
distance.[5]
But the remarkably erratic minor planet,
Eros, discovered by Witte in 1898, approaches
394