NASA turns to the Tess spacecraft, starting a major search for the alien worlds



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Nasa began a major search for extraterrestrial worlds.

The spaceship Tess of the agency began its scientific missions, exploring the universe in search of new planets. Engineers hope that it will eventually find thousands of extraterrestrial worlds, some of which might be habitable

The engine – whose name means Transiting Exoplanet Satellite Survey – will look deep into the universe of signs of planets. All those found will be explored from afar, as scientists try to determine what it could be on these planets, and if life could survive.

Like the Kepler satellite that preceded it, Tess will use a detection method called transit photometry. This involves looking at distant stars in search of streams of light caused by the planets passing in front of them, and using the patterns of these troughs to determine their size and orbits.

This technique has already allowed Kepler to find thousands of possible planets, some of which are key candidates for livability. Tess should find thousands of others.

His work has already begun and he will send his first set of scientific data in August. After that, he will send new discoveries about every fortnight, and the scientific team will look for traces of the planets as soon as they arrive.

"I am delighted that our planetary hunter is ready to launch into the backyard of our solar system for new worlds," said Paul Hertz, director of the Nasa Astrophysics division at its Washington headquarters. perhaps more planets than stars in our universe, I look forward to the strange and fantastic worlds we are going to discover. "

Tess's mission is set to last two years but Kepler and other NASA projects have lasted much longer than these initial projects, so it could be all the rage in our world much longer than that.

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