Astronomers Massachusetts Institute of Technology (MIT) Evidence found in the United States, the National University of Ireland and the University of Cambridge Planetary effect It happened near the earth 200 thousand years.
The Journal of Nature published a study that revealed the discovery of a large planetary collision 95 light-years from Earth. Scientists generally consider this type of error, however, and this is the first time this theory has been tested.
The impact debris came from a planetary system orbiting the star HD 172555, which collided with an Earth-sized object and a small object at a speed of 35,000 kilometers per hour.
“This is the first time we’ve discovered this phenomenon of a naked protoplanetary atmosphere in a colossal impact,” said Tajana Schneiderman, head and student of the Earth, Atmospheric and Planetary Sciences department at the MIT press release.
According to the publication “Nature”, the impact was so rapid that it almost exploded in part. Atmosphere The largest planet, gas and dust debris has prompted scientists to conduct studies.
The researchers explained that the system showed a large amount of dust of different sizes and shapes, as it was made of large amounts of minerals, in contrast to the properties of the hypervolence impact that occurs when two substances interact with each other.
Astronomer Tajana Schneidermann’s team seeks data from the International Association of Atacama Large Millimeter Array (ALMA) in Chile, which has the world’s largest astronomical project, the interferometer (optical instrument) and 66 radio telescopes. Stars and their detailed images.
A team of specialists could be found Carbon monoxide Around the star, the gas is found to be similar to that found in Venus’ atmosphere, both retaining about 20% CO.
As large planets develop as they pass through collisions, it is important to investigate planetary collisions to learn about the evolution of young planetary systems.
“Everyone wants to see a big impact, because we expect them to be common, but we don’t have the evidence in many of the mechanisms for that,” he said. We have more information now about this dynamic, “said Schneiderman.
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