The new station, NASA will be able to find details of exoplanet atmospheres
Source:a New NASA mission aims to study the atmospheres of distant exoplanets
Last week, NASA announced that it will participate in the mission of the European space Agency, scheduled for launch in 2028. The spacecraft, called ARIEL, is designed specifically for remote sensing of exoplanet atmospheres in the infrared spectrum, will be the first space device, is entirely devoted to the study of the outer gas envelope far from us a light year objects.
What is the mission of ARIEL from NASA?
Currently, around our planet revolves a large number of spacecraft, a daily supply of scientists new data about the structure of our Universe. In an effort to find at least some semblance of alien life, experts decided to start with the analysis of remote atmospheres of exoplanets by space missions ARIEL, which for four years will scan the starry space and will be able to study so more than a thousand exoplanets. During its primary mission of ARIEL will explore the atmosphere of about 1,000 exoplanets, so that NASA will be able to get a large amount of data on the composition of atmospheres of exoplanets and will be able to determine whether these exoplanets, the sky is cloudy, foggy or clear. The findings will help astronomers understand how planets and their atmospheres formed and changed over time.
Project ARIEL will be able to find not only water in the atmospheres of exoplanets, but also to find possible traces of the existence on them of alien life.
According to information published on the portal , to date, astronomers have discovered thousands of exoplanets with the so-called transit method, which helps to find a remote planet only by means of observing the stars and passing in front of them with disk objects. With similar to the mission ARIEL instruments, astronomers will be able to identify such information as chemical composition and temperature of exoplanet atmospheres, and recognize those chemical reactions which take place over billions of kilometers from us.
Despite the fact that the space telescope James Webb, scheduled for launch in 2021, will also be able to study the atmosphere of exoplanets, the main mission of the space telescope will be to search for rocky worlds and their satellites. Project ARIEL will be able to deepen from the telescope information and to provide the scientific base for the telescope, the heir of the “James Webb” — ATLAST space telescope, whose launch is scheduled for mid 2030-ies.
An Understanding of whether the exoplanet clouds or fog, will help astronomers better interpret other parameters of the atmosphere of a particular planet, such as chemical composition and temperature, and find out what physical and chemical processes occur in a particular alien world. In addition, understanding the chemical composition of the atmospheres of exoplanets may help to decide which of the two leading theories of planet formation is most likely. So, if one theory suggests that planets tend to contain a similar fraction of heavy elements and their stars-home, another version suggests that the fraction of heavy elements can be quite different and independent from nearby stars.
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