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Today's paper had an article from the AP on a presentation made at the AAS meeting. It explains how x-ray pictures give a detailed view of the center of our galaxy.
In the AP article, there is what I think is a bad graphic. The graphic shows the Earth being in a spiral arm and the caption says "On Earth, the dense galactic center is visible as the band across the night sky that gives the Milky Way its name." I think it should say that the visible Milky Way we see is the spiral arms of the galaxy (the dense galactic center is not visible). |
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That's right. You need infrared or radio to see the galactic center. (Other frequencies might work as well, but definitely not visible light.)
_________________ "... to strive, to seek, to find, and not to yield." - Tennyson, Ulysses <font size=-1>[ This Message was edited by: ToSeek on 2002-01-10 14:21 ]</font> |
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Quote:
_________________ "... to strive, to seek, to find, and not to yield." - Tennyson, Ulysses <font size=-1>[ This Message was edited by: ToSeek on 2002-01-10 15:13 ]</font> |
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Quote:
I didn't register with AP so did not see the article on their site, but one newspaper that carried it on the web: http://seattlepi.nwsource.com/nation..._space10.shtml does not have the graphic that I referred to. So it is not clear to me who created the graphic or when it was added. |