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Category: Science

A fun take on the latest science news with enough data to sink your teeth into. Lagrange Point goes beyond the glossy summary and gets in depth with the research from across the world.

Episode 414 - The active life and dramatic death of galaxies

January 18, 2021

Can a galaxy really die? What would that even look like? We know that stars can erupt into supernova, form black holes or fade away but what happens to old galaxies? What happens to a galaxy when it looses all it's fuel for growing new stars? Which galaxies are the most active and pulsing with light? Active galaxies often shine vibrantly from their core, but what causes periodic bursts of energy. NASA Goddarrd researchers have discovered the 'Old Faithful' of Galaxies.

  1. Annagrazia Puglisi, Emanuele Daddi, Marcella Brusa, Frederic Bournaud, Jeremy Fensch, Daizhong Liu, Ivan Delvecchio, Antonello Calabrò, Chiara Circosta, Francesco Valentino, Michele Perna, Shuowen Jin, Andrea Enia, Chiara Mancini, Giulia Rodighiero. A titanic interstellar medium ejection from a massive starburst galaxy at redshift 1.4Nature Astronomy, 2021; DOI: 10.1038/s41550-020-01268-x
  2. ASA/Goddard Space Flight Center. (2021, January 12). An 'old faithful' active galaxy: Black hole rips away at star. ScienceDaily. Retrieved January 15, 2021 from www.sciencedaily.com/releases/2021/01/210112125154.htm