Uncategorized
- Planetary Science
News Splash: Strong evidence of lakes on Titan
Using Earth-based radar to penetrate the thick atmosphere of Saturn's moon Titan, planetary scientists have the best evidence yet that the smog-shrouded moon has lakes or oceans of hydrocarbons over large stretches of its surface.
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In the era before global positioning system (GPS) instruments, determining longitude was difficult since it required a fairly accurate clock, in addition to a sextant. I was under the impression that one of the clocks Lewis and Clark used was Jupiter’s moon Io, which would have made them pretty sophisticated navigators. Michael D. DelanoBrooklyn, N.Y. […]
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