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After nine years spent in the deep space collecting data, the NASA Kepler Space Telescope has been exhausted.
NASA has decided to stop Kepler and take him out of Earth's orbit for technical and economic reasons, and to entrust his work to new telescopes.
During this period, Kepler helped discover more than 2,600 planets outside our solar system, many of which could be promising places for the future.
Kelper surpassed all expectations as NASA's first planetary search mission and paved the way for the discovery of life in the solar system and beyond, said Thomas Zorboshen, Associate Director of Science Mission Directorate. from NASA.
Kepler opened the eyes of scientists on the diversity of planets in our galaxy, he said. The latest analysis of Kepler's findings concludes that 20 to 50 percent of the visible stars in the night sky are likely to have small planets, similar in size to the Earth, and falling into the habitable zone of the parent stars.
This means that they are far from their natal stars, where liquid water – a vital component of life – can congregate on the surface of these planets.
Kepler also discovered that nature often produced planetary systems crammed with salt, gravitating around its parent star, so that our solar system seems dispersed in relation to it.
William Buruky, Kepler's retired investigator, said that at the beginning of the mission he was not aware of any planet outside our solar system, but thanks at Kepler, planets have been found everywhere in this vast space.
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