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Pros And Cons Of Gravitational Microlensing

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Rouge planets, planets that are not tethered to a star and are therefore able to roam freely, are estimated to exist in the billions, and that is just in the Milky Way galaxy (Drake, 2014). Currently not all scientists believe that such planets are real, but evidence for their existence continues to grow. It seems it may only be a matter of time before they are considered as a scientific fact. There are several indirect methods for locating rouge planets. The two best methods are infrared observation and gravitational microlensing. Infrared observation works best for tracking relatively newer planets that give off more heat. Gravitational involves microlensing on the other hand works better for cooler planets. Gravitational microlensing involves

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