This cosmic body is not a planet or a brown dwarf, but may be a plasma cloud.
Astronomers from the California Institute of technology have discovered a strange object that orbits a star RIK-210, located in 472 light years from Earth. This cosmic body is not a planet or a brown dwarf, but may be a plasma cloud. Preprint of the study is at the disposal of edition”.ru”.
In 2014, scientists observed the passage of an object across the stellar disk using the space telescope Kepler is designed to search for exoplanets. Photometry data pointed to the fact that the space body had an irregular shape. As RIK-210 is a young star aged 5-10 million years, which does not have a protoplanetary disc, the object, according to the researchers, may not be a swarm of asteroids or fragments of comets.
Astronomers believe that the most plausible explanation is that the RIK-210 magnetospheric plasma clouds, similar to those observed in massive stars. However, other variants are possible, for example, the flow of material from clouds of gas and dust, or protoplanet with a tail.
Scientists emphasize that in order to completely understand which of the proposed hypotheses is true, further photometric and spectroscopic observations.
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