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I don't know what I want to do after university <a href=" http://weimar.org/best-essay-spm/ ">break order cheap essay online prey</a> To determine the planet’s true color, the astronomers determined how much light was reflected off the surface of the planet. This was made more challenging by the fact that the planet is faint and extremely close to its star. To set apart HD 189733B’s light from this starlight, the team utilized Hubble’s Space Telescope Imaging Spectrograph to look at the system before, during, and after the planet moved behind its host star as it orbited. As it moved behind its star, the light reflected from the planet was for a limited time only obstructed from view, and the amount of light seen from the system declined. This technique also reveals the planet’s color.
