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NASA's TESS - the planet hunter - launched successfully
The United States Space Agency NASA's Transiting Exoplanet Survey Satellite (TESS), also known as the planet hunter has been launched from Florida. The main objective of TESS is to look for thousands of other new worlds beyond our Solar System.

On its way to exploring the new planets, TESS will also be surveying a plethora of stars in the hope of catching the dips in the brightest that occur when orbiting planets traverse their faces. The planet hunter's goal is to compile a catalogue which the other telescopes then can study further for future and more detailed analysis. 

George Ricker, the mission's principal investigator from the Massachusetts Institute of Technology (MIT), which also leads this project, said, "Tess is equipped with four very sensitive cameras that will enable it to monitor nearly the entire sky."

The scientists are in the run for looking out for some gases which are potentially responsible for supporting life, also known as "biomarkers", the examples being the oxygen molecules, methane and water (hydrogen plus oxygen in the ratio of 2:1).

The scientists behind this mission are of the popular belief that the key factor in this field will be the successor to Hubble which is due to be in orbit by 2020.

The 6.5 m wide primary mirror and the infrared instruments that it is equipped with seem to be perfect for the job. The scientists also believe that TESS is perfectly capable of discovering many Super Earths that are orbiting many stars which are believed to be far brighter than the Sun.

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