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Massive Stars and their approximate Size

Astronomers have found massive stars in the early universe, primarily located in distant galaxies that formed shortly after the Big Bang. These regions are often studied through advanced telescopes capable of observing very distant light, such as the Hubble Space Telescope and the upcoming James Webb Space Telescope. In terms of size, these monster stars can have diameters ranging from about 100 to over 300 times that of our Sun. The Sun’s diameter is approximately 1.4 million kilometers (about 864,000 miles), so these massive stars could be approximately 140 million to over 420 million kilometers (about 87 million to 261 million miles) in diameter.

Proton scattering reveals the secrets of strongly-correlated proton-neutron pairs in atomic nuclei

An international research collaboration has reported the first experimental evidence that the strongly correlated proton-neutron pairs found in an atomic depend on nuclear structure. The experiment, conducted on a new beam line at the Osaka cyclotron facility, demonstrated the dominance of tensor interactions in the neutron pickup reaction. It is hoped that the findings will improve our understanding of neutron stars and other celestial bodies.

from Cosmic Rays News -- ScienceDaily https://ift.tt/2GEGG9Y

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