July 31, 2014
Jesse Emspak
Light from a radioactive metal forged inside a supernova blast could prompt a rethink of how some star explosions occur.
This image from NASA’s Swift space telescope, taken on Jan. 22, 2014, shows the supernova SN 2014J as seen in three different exposures by the space observatory. Scientists suspect the weird supernova’s progenitor star may have had a helium belt. Credit: NASA/Swift/P. Brown, TAMU
The supernova SN 2014J is located 11.4 million light-years from Earth in the galaxy M82. Astronomers used the European Space Agency’s International Gamma-Ray Astrophysics Laboratory (INTEGRAL) spacecraft to examine the star explosion’s light spectrum in the gamma-ray bands and saw elements that shouldn’t have been there — suggesting that widely accepted models of how such events happen might be incomplete.
ESA/INTEGRAL
To celebrate the Hubble Space Telescope’s 16 years of success, the two space agencies involved in the…
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Aether of Infancy 
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