SN 1987A’s brightness peaked in May 1987, with a magnitude of about 2.9, and slowly declined in the following months. It immediately became the subject of intense observation by astronomers throughout the Southern Hemisphere and was observed by the Hubble Space Telescope. The newly appearing supernova was located in the Large Magellanic Cloud at a distance of about 160,000 light-years. Designated SN 1987A, this formerly extremely faint object attained a magnitude of 4.5 within just a few hours, thus becoming visible to the unaided eye. Shelton while working at the Las Campanas Observatory in Chile. 24, 1987, by the Canadian astronomer Ian K. The closest and most easily observed of the hundreds of supernovae that have been recorded since 1604 was first sighted on the morning of Feb. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.Britannica Beyond We’ve created a new place where questions are at the center of learning.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians.
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