An international team of researchers has found that a large number of supernovae in the galaxy
Astrophysicists have done detailed research forTriangulum spiral galaxy (M33), located at a distance of just under 3 million light-years from Earth. M33 is a satellite galaxy of the Milky Way, which is part of the Local Group. The scientists collected observational data at various wavelengths using the Very Large Array (VLA), a radio astronomy observatory located in New Mexico.
Based on their observations, astrophysicistsshowed that multiple supernova explosions and supernova remnants in the giant star-forming complexes M33 generate interstellar winds that drive the rate of star formation.
Stars are much more massive than our Sunat the end of evolution, they explode like supernovae, the scientists explain. Shock waves during such events accelerate particles to nearly the speed of light, creating cosmic rays. Many of these particle streams form the interstellar wind, which carries away the gas needed to form new stars.
VLA observations have shown that cosmic rays in M33 leave the regions where they are born, allowing them to create powerful winds.
William Cotton, astrophysicist at the National Radio Astronomy Observatory and study co-author
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On the cover: an artistic illustration of the cosmic rays from a supernova that drive star formation. Image: