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Science have found three new "super Earths." The new planets have been discovered HARPS instrument on the European Southern Observatory's 3.6-meter telescope at La Silla, Chile. The star HD 40307, contains all three. The smallest of the trio weighs in at 4.2 Earth masses and orbits HD 40307 every 4.3 Earth days, while the largest, with a mass 9.4 times that of Earth, has a 20.4-day orbit. The middleweight is 6.7 Earth masses and has a 9.6-day trek around the star.
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space (spās)
n.
1. space beyond the atmosphere of the earth.
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prag·ma·tism (prgm-tzm)
n.
A way of approaching situations or solving problems that emphasizes practical applications and consequences.
Tuesday, June 17, 2008
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