• iASK podcast - Dr. Zsuzsa Márka: Coincidence or a real cosmic event?

  • Dec 19 2022
  • Durée: 54 min
  • Podcast

iASK podcast - Dr. Zsuzsa Márka: Coincidence or a real cosmic event?

  • Résumé

  • Podcast with Dr. Zsuzsa Márka research scientist (Columbia Astrophysics Laboratory, Columbia University in the City of New York)

    Cataclysmic cosmic explosions, such as supernovae, colliding neutron stars and black holes, produce multiple distinct messengers such as gravitational-waves, neutrinos, and electromagnetic radiation. Their intertwined signature from a common cosmic source may reach our corner of the Universe at any instant. Enabled by new detectors, there is an unprecedented opportunity born of new data to expose these cosmic puzzles using multiple astrophysical messengers. At the root of discovery is an in-depth understanding of the multifaceted interplay between more sensitive instruments and innovative data analysis approaches relying on all accessible data from the comprehensive mesh of all detectable cosmic messengers. 'Can we tell that events are really related or they just happened to  overlap in time and space? ' is a common question not only in astrophysics but also in everyday life. We will use multimessenger astrophysics as an example and ponder over the concept of chance coincidence.

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