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climate decoder

19.05.2020

Scientists from Cornell University have created a climate decoder - it will help search for life on exoplanets.

Exoplanets are planets outside the solar system. To date, scientists are aware of the existence of thousands of such objects, and at least part of them may have life.

Now scientists are trying to determine how the climate existing on exoplanets is suitable for life in the terrestrial sense, actually manually. This process takes a lot of time - while in the near future astronomers plan to launch a new generation of telescopes that will increase the number of exoplanets known to science by an order of magnitude.

In order to automate the determination of the climate of exoplanets, the researchers created a climate decoder. It is based on a combination of details of the color of the planet's surface and light from the host star to calculate the climate on it. For example, a rocky black basalt planet absorbs light well and will be very hot, but if you add sand or clouds to the atmosphere on its surface, it will cool down.

Depending on the type of star and the exoplanet's primary color - or reflective albedo - the planet's color can soften some of the energy released by the star. This allows us to determine whether there are clouds in the atmosphere and how its surface is arranged - and, ultimately, to determine its climate.

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