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A purple pink circle in the middle of the vastness of space and stars represents an exploded star.

Tycho supernova remnant from IXPE

Using data from NASA’s Imaging X-ray Polarimetry Explorer (IXPE), international researchers have uncovered new information about the Tycho supernova remnant, an exploded star in the constellation Cassiopeia, the light from which was first seen on Earth in 1572. The results offer new clues about how shock waves created by these titanic stellar explosions accelerate particles to nearly the speed of light, and reveal, for the first time, the geometry of the magnetic fields close to the supernova’s blast wave, which forms a boundary around the ejected material, as seen in this composite image. IXPE data (dark purple and white) have been combined with data from NASA’s Chandra X-ray Observatory (red and blue) and overlaid with the stars in the field of view as captured by the Digitized Sky Survey.

Image Credit: X-ray (IXPE: NASA/ASI/MSFC/INAF/R. Ferrazzoli, et al.), (Chandra: NASA/CXC/RIKEN & GSFC/T. Sato et al.) Optical: DSS Image processing: NASA/CXC/SAO/K. Arcand, L.Frattare & N.Wolk