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com\/jw\/2017\/5\/c7d609f0-728b-d905\/mp4\/480.Those future observations could help scientists piece together the compositions of the planets atmospheres and maybe even establish whether they can host life as we know it.

TESS will embark on a two-year mission to survey about 85 percent of the sky.blocking out a bit of the stars light from TESSs perspective.Tweet may have been deletedOur updated story is below.

title:SpaceX did something amazing over the weekend.SpaceX has to get TESS safely to space.

SpaceX is expected to land the first stage of the rocket back on Earth on a drone ship in the Atlantic Ocean.

space and science stories?Sign up for Mashables weekly Light Speed newsletter.Such planets would be candidates for harboring life.

The spacecraft will look for minuscule dips in the light of those stars that would indicate that a planet passed between its star and the telescope.SpaceX is scheduled to launch NASAs alien planet-hunting telescope TESS to orbit.

com\/jw\/2017\/5\/c7d609f0-728b-d905\/uploaded_thumbnail.scientists might be able to learn even more about the newfound worlds.