A Hot Jupiter is a Jupiter or larger size planet that orbits a star inside the orbit of Mercury.Most solar system that have been discovered has a hot Jupiter in that systems.Most of the planet that are that size are orbiting its star in 10 days or less.We have discoverd a star named HR 8799 it has four planets e,d,c,b.This is great because it has four planets.These planets are about the size of Jupiter or larger.We can save these planets from ending a million years from now.We will make these planet orbit futher from their star untill the first planet HR 8799 e will be in the orbit of earth around HR 8799. all the planets in our solar system are in circular orbits so as HR 8799.

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