Best dark matter clue from space...

• Autores: Lisa Grossman
• Localización: New scientist, ISSN 0262-4079, Nº. 2964, 2014, pág. 10
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Grossman discusses the signs of dark matter that are looking brighter than ever. A brilliant halo of gamma rays at the center of the Milky Way is increasingly likely to be a signal of dark matter particles colliding. And hints of the same signal coming from dwarf galaxies strengthen the case. Dark matter is thought to make up more than 80% of the matter in the universe. So far people have not definitively seen it interact with ordinary matter except via gravity, and no one knows what it is made of. One leading candidate is a class of hypothetical particles called weakly interacting massive particles (WIMPs). These objects could show up directly in highly sensitive detectors or indirectly as the glow left over when WIMPs collide and spew radiation.