News tagged with tycho brahe

Image: Chandra's view of the Tycho Supernova remnant

More than four centuries after Danish astronomer Tycho Brahe first observed the supernova that bears his name, the supernova remnant it created is now a bright source of X-rays. The supersonic expansion of the exploded star ...

dateJul 25, 2014 in Astronomy
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Mach 1000 shock wave lights supernova remnant

When a star explodes as a supernova, it shines brightly for a few weeks or months before fading away. Yet the material blasted outward from the explosion still glows hundreds or thousands of years later, forming a picturesque ...

dateNov 25, 2013 in Astronomy
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Stars pop onto the scene in new WISE image

(PhysOrg.com) -- This enormous section of the Milky Way galaxy is a mosaic of images from NASA's Wide-field Infrared Survey Explorer, or WISE. The constellations Cassiopeia and Cepheus are featured in this 1,000-square degree ...

dateJan 10, 2012 in Astronomy
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Fermi shows that Tycho's star shines in gamma rays

(PhysOrg.com) -- In early November 1572, observers on Earth witnessed the appearance of a "new star" in the constellation Cassiopeia, an event now recognized as the brightest naked-eye supernova in more than 400 years. It's ...

dateDec 13, 2011 in Astronomy
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