What is hidden in 3D image?

Stereogram - 3D Image

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Forty-three percent of all Ame...

Forty-three percent of all Americans say that illegal immigration is a serious problem.
The other 57 percent said, "No hablo ingles."

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Donald Menzel

Died 14 Dec 1976 at age 75 (born 11 Apr 1901). Donald Howard Menzel was an American astronomer who was best known for his arguments against the existence of extraterrestrial UFO's. Menzel was one of the first practitioners of theoretical astrophysics in the United States and pioneered the application of quantum mechanics to astronomical spectroscopy. An authority on the sun's chromosphere, he discovered with J. C. Boyce (1933) that the sun's corona contains oxygen. With W. W. Salisbury he made (1941) the first of the calculations that led to radio contact with the moon in 1946. He supervised the assignment of names to newly discovered lunar features.

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