Gammar-ray eclipses allowed scientists to determine important properties of distant pulsars.
An international team of scientists discovered the first gamma-ray eclipses from a "spider" star system using NASA's Fermi Gamma-Ray Space Telescope,A spider star system is a particular type of binary star system that contains one regular star and one pulsar, the rapidly rotating, superdense remnants of a dead star.The new observations add to the growing scientific literature on pulsars, which are made up of the densest material ever observed.
Spider systems develop when a star in a binary — a two-star system — evolves faster than its partner. When the more massive star goes supernova, it turns into a pulsar and emits beams of multiwavelength light, including gamma rays. The pulsesIn the Fermi data they were looking at, Clark and his team found a measly 15 missing gamma-ray photons.
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