Center for Magnetic Self Organization

in Laboratory and Astrophysical Plasmas

Tycho’s Supernova
Size: 55 light years diameter
Mass: 4 solar masses
Distance: 13,000 light years
Temperature: 10 -20 million°C
Flow Speed:
Expanding up to 20 million mph
Location: In the constellation Cassiopeia
Image Credit: NASA, CXC, SAO,
JPL-Caltech, MPIA, Calar Alto, O. Krause et al.


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Tycho’s Supernova was produced by the explosion of a white dwarf star in our Galaxy.

This supernova first appeared in 1572 and was so bright that it could be seen in daylight for two weeks.

Scientists think that supernova remnants might produce cosmic rays, which are extremely energetic particles that come from outer space and collide with Earth.

A National Science Foundation Physics Frontier Center,
established in coordination with the Department of Energy.