EDUCATION: Space Q&A

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Science  14 May 2004:
Vol. 304, Issue 5673, pp. 935
DOI: 10.1126/science.304.5673.935e

What color is Venus? Did time really run more slowly just after the big bang? Are stars and galaxies made of dark matter lurking in the universe? Teachers, students, and space buffs can look up answers to these and other questions at Curious About Astronomy?, a Web site from Cornell University in Ithaca, New York. The site's crack team of mainly astronomy graduate students has already answered hundreds of reader queries. Submit your head-scratcher, and they'll try to respond within about a week. For example, pictures of Venus, such as this purple-tinted ultraviolet image highlighting cloud patterns, rarely show the planet's true colors. From space, Venus is yellowish-white because of its murky atmosphere, whereas from the surface, its rocks appear dull red.

curious.astro.cornell.edu/index.php

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