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View Full Version : Magnetic Fields Could Shape Nebulae



Fraser
2005-Sep-07, 10:18 AM
SUMMARY: Planetary nebulae are created when large stars shed material near the end of their lives. This material should expand in a perfect sphere, but astronomers have found many examples where the material is twisted into an unusual elliptical or bipolar shape (like an hourglass). A team of German astronomers have detected the presense of a magnetic field around the central stars in four planetary nebulae - it's these magnetic fields that could give nebulae their unusual shapes.

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