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With Explore the Planets, investigate the planets, their moons, and understand the processes that shape them. By G. Jeffrey Taylor, Ph.D. See our DVD collection.
This is a drawing of where the 3 planets (red dots) would orbit around Upsilon Andromedae. The dashed lines represent where the orbits of Mercury, Venus, Earth and Mars would be if they orbited around the Upsilon Andromedae star.
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Courtesy of the San Francisco State University Planet Search home page

New Planets Discovered around the Star Upsilon Andromedae
News story originally written on May 5, 1999

Scientists have recently made the exciting discovery that three planets are orbiting the same star. This is the first system ever which has many planets like our own. If you discovered a new planet what would you name it?

The planets have oval-shaped orbits, and are gas giants like Jupiter. The discovery of the planets raises the possibility that life might have developed somewhere other than on Earth. Do you think that life is possible on other planets?

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA