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Find number abc

If 7a7bc - abb70 = 791c find number abc. Multiple solutions may exist.

Correct answers: 20

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The best kind of people are

The best kind of people are the ones that come into your life and make you see sun where you once saw clouds. The people that believe in you so much, you start to believe in you too. The people that love you simply for being you. The once in a lifetime kind of people.

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Henri-Alexandre Deslandres

Died 15 Jan 1948 at age 94 (born 24 Jul 1853).French astrophysicist who invented a spectroheliograph (1894) to photograph the Sun in monochromatic light (about a year after George E. Hale in the U.S.) and made extensive studies of the solar chromosphere and solar activity. He worked at the Paris and Meudon Observatories. His investigation of molecular spectra produced empirical laws presaging those of quantum mechanics. He observed spectra of planets and stars and measured their radial velocities of, and he determined the rotation rates of Uranus, Jupiter and Saturn (shortly after James E. Keeler).

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