A galaxy with 400 billion stars. Among them is the Sun, around which eight planets revolve. Including our country.
The big question on everyone’s mind is: Are we alone?
In past decades, Humanity has sent space probes to delve into the mysteries of our neighbors in the solar system. But he could not find another place where chemistry became biology, life. Except here, in Land.
Ultra-powerful telescopes were created with the goal of searching for other planets orbiting a star. Other solar energy systems. It took nearly twenty years of research to build equipment capable of identifying very distant planets. That they have a size similar to the size of the Earth.
Illustration showing the Kepler space telescope – Image: NASA
In 2009, the Kepler telescope began its journey of more than 150 million kilometers to reach a suitable location for surveying the constellations Cygnus, Lyra and Dragon.
In 2012, The telescope identified Kepler-36b – a planet that was soon dubbed Super-Earth Because it had a mass four times that of Earth, and orbited a sun-like star, in just 14 days. But the presence of a hateful neighbor, a giant made of gas, dashed hopes for an environment promising for life.
It was just the beginning. The Kepler telescope has revealed the existence of thousands of other potentially habitable planets.
But the search had to be narrowed. Then a new telescope entered the mission. Kepler found the planets, and in the second step, it found Hubble research In detail the atmosphere of each one.
In 2015, Kepler and Hubble mapped K2-18B, which has a mass more than eight times that of Earth. And A very special ingredient: water vapor in the atmosphere of this new planet. 124 light years from Earth, there is another world with water. The information collected so far raises the possibility that this vapor will condense to form oceans.
In 2018, the Kepler telescope ran out of fuel and ended its mission. It now follows its inert orbit around the sun. But their findings have not been disclosed.
NASA’s TESS telescope was used to discover an exoplanet – Image: Detection
Also in 2018, the wand was passed to a new, more modern telescope. TESS is now studying 200,000 other stars and has already found 5,000 planets worth searching. Because it can be habitable.
A quest that is no less than the universe.
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