Word: venus
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Dates: during 2000-2009
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TRIP PAST THE SUN Venus passes between Earth and the sun more than once a year on average, but because its orbit is tilted with respect to Earth's, a lineup precise enough to permit a transit is much rarer...
...Transit For the first time in more than 100 years, Venus crosses in front...
...VENUS Its size and composition make it almost a twin of Earth, but its atmosphere is so thick that pressure at the surface is 90 times that on Earth. The atmosphere is mostly carbon dioxide flavored with sulfur and sulfuric acid, which has caused a runaway greenhouse effect. The result: temperatures of more than 800°F (430?...
...VENUS'S TRANSIT...
...1880s The transits of Venus in these decades were media events, featured in popular articles all over the world. The U.S. Naval Observatory alone sent out several expeditions, left. By then, it was easy to figure out longitude and latitude, and good telescopes were available. But it was still impossible to get precise timing measurements because just before Venus leaves the sun's disk, an optical illusion makes the planet seem to ooze toward the edge...