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Searching Authored by Ron Cowen 
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Spacecraft observations indicate that a vast, unseen halo of hot gas envelopes our home galaxy, the Milky Way, and could literally be brushing up against its nearest neighbors. (p. 21)Published: January 12th, 2002; Vol.161 #2Found in: Astronomy
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A spacecraft has begun a 30-month mission in which it will collect samples of the solar wind and bring them back to Earth. (p. 8)Published: January 5th, 2002; Vol.161 #1Found in: Astronomy
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Astronomers have for the first time caught a dying star at the very beginning of a brief, shining period, when it's known as a planetary nebula. (p. 8)Published: January 5th, 2002; Vol.161 #1Found in: Astronomy
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Astronomers are examining some of the brightest objects in the universe to learn about the darkest stuff. (p. 5)Published: January 5th, 2002; Vol.161 #1Found in: Astronomy -
Galileo spacecraft images show for the first time that material has slid downward along a cliff on Jupiter's moon Io. (p. 395)Published: December 22nd, 2001; Vol.160 #28Found in: Astronomy -
A spacecraft studying the sun has spotted clouds of gas that seem to be headed the wrong way, falling back toward the solar surface instead of continuing to move outward with the stream of charged particles known as the solar wind. (p. 395)Published: December 22nd, 2001; Vol.160 #28Found in: Astronomy
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Thousands of people in North America who got up early on Nov. 18 were treated to a memorable sky show: White, yellow, blue, and green fireballs, some leaving behind smoke trails, streaked across the sky. (p. 395)Published: December 22nd, 2001; Vol.160 #28Found in: Astronomy -
Planetary scientists have for the first time detected sugar compounds in meteorites, bolstering the view that space rocks seeded the early Earth with ingredients essential for the development of life. (p. 388)Published: December 22nd, 2001; Vol.160 #28Found in: Astronomy -
Astronomers have unveiled the first X-ray image of Venus. (p. 357)Published: December 8th, 2001; Vol.160 #23Found in: Astronomy -
Astronomers have for the first time detected the atmosphere of a planet that lies well beyond the solar system. (p. 340)Published: December 1st, 2001; Vol.160 #22Found in: Astronomy
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New observations suggest that a mere stripling of a star, which might be as young as 300,000 years old, has already formed planetesimals, the building blocks of planets. (p. 326)Published: November 24th, 2001; Vol.160 #21Found in: Astronomy
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Using sound waves to obtain the first clear picture of the structure beneath the surface of a sunspot, scientists say they now have an explanation for why these dark blemishes-sites of intense magnetic activity-can persist for days. (p. 310)Published: November 17th, 2001; Vol.160 #20Found in: Astronomy -
A trove of newly discovered planets orbiting other stars suggests that the solar system may not be the oddball it had begun to seem. (p. 299)Published: November 10th, 2001; Vol.160 #19Found in: Astronomy
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In the early morning hours of Nov. 18, sky watchers in North America may be treated to one of the most spectacular displays of shooting stars they're likely to see for a generation, if not longer. (p. 293)Published: November 10th, 2001; Vol.160 #19Found in: Astronomy -
The largest dust storm seen on Mars in more than 2 decades is now beginning to wane. (p. 299)Published: November 10th, 2001; Vol.160 #19Found in: Astronomy
