Sentences with phrase «single type of supernovae»
«We think most of the iron came from a single type of supernovae, called Type Ia supernovae,» said former KIPAC member and co-author Aurora Simionescu, who is currently with the Japanese Aerospace Exploration Agency as an International Top Young Fellow.
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The finding could challenge the textbook wisdom of single stellar evolution, and provide a critical link to some types of supernovae discovered over the past decade.
To check the value of the Hubble constant that they have obtained from a single object, Schmidt and his colleagues plan to apply their technique to other type II supernovae that have occurred in distant galaxies.
Although this looks like a single nebula, NSF's Gemini South Observatory revealed it is actually two separate gas and dust clouds formed by different types of supernova explosions.
While it's known that Type 1a supernovae form from collapsing white dwarfs — the densest forms of matter after black holes and neutron stars — their formation theories come in two flavors: the single degenerate scenario in which a normal star is consumed by a white dwarf; and the double degenerate scenario in which two white dwarfs merge.