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Space And Astronomy
The edge of #RCW86 | During the #Apollo flights astronauts reported seeing odd flashes of light, visible even with their eyes closed. Since then we have learned that the cause was cosmic rays, extremely energetic particles that reach Earth from outside the solar system and are constantly bombarding its atmosphere. Once you arrive on Earth still they have enough energy to cause failure of electronic components. Galactic cosmic rays come from sources inside our home galaxy, the Milky Way...
A portion of the Carina Nebula is known as the Keyhole Nebula (NGC 3324), a name given to it by John Herschel in the 19th century. The Keyhole Nebula is actually a much smaller and darker cloud of cold molecules and dust, containing bright filaments of hot, fluorescing gas, silhouetted against the much brighter background nebula.
A mysterious blast of light spotted earlier this year near the constellation Leo was actually the brightest gamma-ray burst ever recorded, and was triggered by an extremely powerful stellar explosion, new research reports. On April 27, several satellites — including NASA’s Swift satellite and Fermi Gamma-ray Space Telescope — observed an unusually bright burst of gamma radiation. The explosion unleashed an energetic jet of particles that traveled at nearly the speed of light, researchers sai...
Observer Looking at Southern Milky Way in Australia Alan: "An observer gazes at a target in the southern Milky Way in Carina, at the OzSky Star Party in Australia, April 2016. The Southern Cross, Crux, and the dark Coal Sack Nebula are at top. Alpha and Beta Centauri are below, made fuzzy by high haze moving in on the last night of the star party." Credit: Alan Dyer Alan's Website: http://amazingsky.net Location: Coonabarabran, New South Wales, Australia Date: April 8, 2016