Posts Tagged ‘telescopes’
Are we alone?
If aliens ever sent us a message, scientists hope to pick it up in a remote part of northern California. There, in a clearing nestled amid the volcanoes of the Cascade Range, 42 radio dishes point together at the sky. The dishes, each 20 feet across, form a [Read More]
Worlds beyond the solar system
Once upon a time — about 20 years ago — kids in school learned about nine planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. The Nine orbited the sun, and they were the only planets that mattered. Any others existed in the imagination of [Read More]
8 Ways Scientists Look at—But Don’t Yet See—Dark Matter
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The hunt for dark matter is on, and scientists are looking for the mysterious stuff on Earth and in space. I wrote about recent efforts to detect dark matter for the July-August 2009 issue of Discover magazine. Read the article here. [Read More]
