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CosmosUp | August 5, 2020

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What’s new with massive stars?

April 2, 2014 | 1

Massive stars are fascinating objects, and I like to call them the “queens” of the stars because they truly rule all aspects of life in every galaxy. They eject huge quantities of material throughout their lives in flows called stellar winds. The exact properties of such winds still remain uncertain, with values for the rates of mass-loss differing by up to two orders of magnitude. Read More

Link Between Supernova Remnants And Cosmic Rays Confirmed

April 1, 2014 |

Cosmic rays — extremely high-energy particles from space — were first discovered in 1912. Over time, scientists have found that some 90 percent of those particles are protons while the remaining 10 percent are electrons and other atomic nuclei. But they lacked direct evidence of the process that accelerates these particles to such extreme energies. Read More

Supernova SN 2014J Can Be Seen Through Binoculars

February 4, 2014 |

A new supernova was discovered recently. Supernova SN 2014J was identified accidentally by a professor and his students (College London) on January 21. It is one of the closest stellar explosion discovered in recent decades. The supernova could reach the maximum light intensity wthin the next two weeks. Read More

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