Astronomers discover possible lunar formation area for the first time


Although scientists have discovered a large number of Exoplanet For many years, they have not found a satellite orbiting our outer planets.Now, a group of astronomers have Find (PDF) Considered an area with out-of-system satellites the first time. Myriam Benisty from the University of Grenoble and his team discovered a dusty disk around a young exoplanet in a star system called PDS 70, which is 370 light-years away from the Earth-the region where the moon forms.

The team discovered the first protoplanet (PDS 70b) in the system in 2018 using the European Southern Observatory’s Very Large Telescope in Chile. A year later, they discovered another young gas giant (PDS 70c) using the same equipment. Based on the data they have, astronomers believe that the star system is only 10 million years old, and that these two gas giant planets are several times larger than Jupiter.In order to learn more about the system, they focused all the other possible tools on it, including Atacama Large Millimeter/Submillimeter ArrayALMA is composed of 66 short-wave radio antennas, and its observations make it possible to discover the dust around PDS 70c.

The distance spanned by the dust disk is slightly wider than the distance between the earth and the sun, and there is enough mass to hold three satellites the same size as ours. Benisty said these satellites may have formed, but there is no conclusive evidence because they cannot be seen on ALMA.according to science, This Extra large telescopeAfter completion, it will become the world’s largest optical telescope, and it may be able to see whether satellites have formed around protoplanets.The telescope is still under construction, and scientific operations will not begin By 2027 At the earliest.

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