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View Full Version : Sun's Flip is Letting the Dust In



Fraser
2005-Sep-11, 06:21 AM
SUMMARY: The European Space Agency's Ulysses spacecraft has confirmed that the Sun's 11-year cycle that causes it to switch magnetic poles allows interstellar dust to enter our Solar System in greater quantities. The Sun normally puts a protective magnetic bubble around the solar system to push dust around us, but during this pole-switch, the bubble disappears for a little while. Astronomers believe this will increase the amount of material that falls on the Earth to 40,000 tonnes of dust a day - it won't really cause a problem; however, we may be able to see some more faint falling stars.

View full article (http://www.universetoday.com/am/publish/sun_flip_dust.html)
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