Kepler’s Supernova Remnant, named after German astronomer Johannes Kepler, was first observed in the night sky in 1604. Today, astronomers know that a white dwarf star exploded upon overcoming a critical mass, after attracting material from a companion star or merging with another white dwarf. This type of supernova is known as Ia-type supernova, and scientists use it to measure the expansion of the universe.tags: supernova, remnant, dwarf, whit…
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Kepler’s Supernova Remnant, named after German astronomer Johannes Kepler, was first observed in the night sky in 1604. Today, astronomers know that a white dwarf star exploded upon overcoming a critical mass, after attracting material from a companion star or merging with another white dwarf. This type of supernova is known as Ia-type supernova, and scientists use it to measure the expansion of the universe.tags: supernova, remnant, dwarf, whit…