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Transcript of 70 Virginis
dust disk generated by collisions between Kuiper-Belt type objects. PLANET: 70 Virginis b is the exoplanet that orbits around the star 70 Virginis. Virginis b It is believed that the star is only 29 Light Years away. It moves around 70 Virginis at an average distance of only 0.48 AUs in a highly elliptical orbit that takes almost 116-167 days to complete. Description As a result the planet's orbit was thought to be in the habitable zone and the planet was nicknamed Goldilocks The Hipparcos satellite later showed that the star was more distant and brighter resulting in the planet being too hot to be in the Goldilocks zone. Speculation (Virginis b with one of its moons.) 70 Virginis b is a giant planet. Has at least 7.4 times Jupiter's mass, with an upper mass limit of 38 Jupiter masses. Some of it's moons may be surpassing the size of Earth. Speculations There is a speculation that one of its Earth-like moons may have water The rotation of the speculated moon would be locked by the giant planet's tidal forces, so days and nights would have to last for several weeks. References http://www.solstation.com/stars2/70virgin.htm http://www.exoplaneten.de/70vir/english.html http://stars.astro.illinois.edu/sow/70vir.html http://www.extrasolar.net/planet.asp?PlanetID=22 http://www.pbs.org/wgbh/nova/worlds/planets.html