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Find number abc

If 94c7c + b663a = bbb5b0 find number abc. Multiple solutions may exist.

Correct answers: 1

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My door was ajar, so...

“My door was ajar, so I added jelly, now it's a door jam.”

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Horace W. Babcock

Died 29 Aug 2003 at age 90 (born 13 Sep 1912).Horace Welcome was an American astronomer, son of Harold Babcock. Working together, they were the first to measure the distribution of magnetic fields over the surface of the Sun. Horace invented and built many astronomical instruments, including a ruling engine which produced excellent diffraction gratings, the solar magnetograph, and microphotometers, automatic guiders, and exposure meters for the 100 and 200-inch telescopes. By combining his polarizing analyzer with the spectrograph he discovered magnetic fields in other stars. He developed important models of sunspots and their magnetism, and was the first to propose adaptive optics (1953).

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