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According to scientists, sunspots can reveal more about life on exoplanets-Technology News, First Post




New studies may reveal darker, cooler sunspots and more about the conditions of life on exoplanets.

In a new study, researchers examined sunspots at low resolution. The result is a simulated view of a distant star. This may help to understand the activity of stars and the state of life of planets orbiting other stars.

Makoto Toriumi, the lead author of the study and a scientist at the Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, said he would like to know what would happen if the sunspot region could not be resolved with images. “So we use the Sun’s data as if it came from a distant star and have a better relationship between the physics of the Sun and the physics of the stars,” he said in a statement. NASA..

    According to scientists, sunspots can reveal more about life on exoplanets

Scientists have created plots of how light changes as sunspots pass through the surface of revolution of the Sun. Image Credit: NASA

According to NASA, sunspots are often a precursor to solar flares, and monitoring them can be important to understand why and how flares occur.

Understanding the frequency of flares in other stars is one of the keys to understanding their potential for life. Researchers believe that some flares help build complex molecules such as RNA and DNA from simpler components.

Scientists used high-resolution data of the Sun from NASA’s Solar Dynamics Observatory and JAXA / NASA’s Hinode mission. Scientists have converted them into a single data point by summing all the lights in each image. By combining these data points, scientists have created a plot of how light changes as sunspots pass through the surface of revolution of the Sun. These plots, which scientists call the light curve, show what the sunspots look like when they are many light-years apart. ​​8

Vladimir Irapetian, co-author of the study, states that the use of solar observatory satellites was able to solve surface features 100 miles wide.

New study published in Astrophysical Journal And when we measured different wavelengths, we found that the light curves were different. The researchers also observed the X-ray and UV light curves that show the atmosphere above sunspots.

According to the authors of the study, especially by studying the stellar activity of young stars, scientists can help us know what our young sun was like. This helps us understand how the young sun affected early Venus, Earth, and Mars.


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