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Secret of not knowing
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Chet Raymo is a professor of physics at Stonehill College and the
author of several books on science.
Twenty-two hundred years ago, in the city of Alexandria at the
mouth of the Nile River, a fellow named Eratosthenes drew a circle on
papyrus and said, "This is the Earth."
Then he drew a few straight lines to represent the sun's rays and
the shadows of vertical sticks at Alexandria and a place called
Syene. With simple geometry he calculated the size of the Earth.
And got it dea...
Related newspaper, magazine, and journal articles from HighBeam Research
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A galaxy that goes the distance. (unnamed galaxy 13 billion light-years from Earth is most distant visible body in the cosmos)(Brief Article)
Science News
; More brilliant than the galaxies that house them, quasars shine like beacons through the dark reaches of cosmic space. Indeed, these powerhouses are so bright that ever since their discovery in 1963, one or another of them has held court as the most distant visible body in the cosmos. Now, a galaxy
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Scientists say they see birth of galaxy
Chicago Sun-Times
; PASADENA, Calif. Scientists believe they have observed a galaxy in the earliest stages of its life 12 billion years ago, when it was creating stars at a rate of several each day. "We're talking about the turn-on of an entire galaxy, or at least that's what we think," Hyron Spinrad, a University of
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Milky Way Recycles Stars' Raw Material; Supernovae Heat Galaxy's Gas Halo
The Washington Post
; The Milky Way, our home galaxy, recycles the raw materials of stars through a violent series of "galactic fountains," according to debut observations from a newly launched NASA spacecraft. Astronomers using the Far Ultraviolet Spectroscopic Explorer (FUSE), placed into orbit 460 miles above Earth
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 "Journal-World (Lawrence, Kansas)")
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Physicists get kudos for die-off theory: KU professors say galaxy's movement affects life on Earth.
Journal-World (Lawrence, Kansas)
; ... succeeded where I failed in coming up with a possible explanation for the effect that we observed, Richard Muller told KU's campus news service. It's the most elegant solution that's been uncovered. Copyright (c) 2007, Journal-World, Lawrence, Kan. Distributed ...
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Astronomers discover largest known galaxy
Chicago Sun-Times
; WASHINGTON (AP) Astronomers using a giant radio telescope have discovered what they said is the largest known galaxy, a giant spiral of stars 13 times as big as the Milky Way. The galaxy, 300 million light-years from Earth in the direction of the constellation Andromeda, is an oddly shaped mass of
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