Sentences with phrase «nearby supernovae explosions»
Two nearby supernovae explosions may have increased cancer rates and changed the behaviour of early humans - but that's a pretty big may
https://www.newscientist.com/
However, he maintains that a nearby supernova explosion may have fertilized the solar system's embryonic cloud with some radioactive isotopes as well.
«We believe that the Solar System received an extra slug of radioactive aluminum and iron from a nearby supernova explosion at the time Vesta was forming,» explains Russell.
«The formation of our own Sun and planets probably was heavily influenced, if not triggered, by a nearby supernova explosion,» Lockman said.
Not exact matches
Here's a map of six supernovas directly seen by human eyes throughout history, and one nearby explosion that went unnoticed.
Pulsars form when stars at least 1.4 times larger than our sun blow up in supernovas; these powerful explosions usually knock nearby stars out
Most such explosions are thought to have an identical intrinsic brightness, which Sandage and his colleagues have found by measuring the distances of two nearby galaxies that have spawned type Ia supernovae.
Rob Beswick, a co-author of the research paper from the University of Manchester's Jodrell Bank Centre for Astrophysics added: «The explosion of a Type Ia supernova is a rare event in the nearby Universe.
Supernova explosions in older, nearby galaxies, says Lee, may have fertilized the nascent Milky Way — and in particular its center — with some of the heavy elements we now find here.
Nearby, large stars erupt in cataclysmic supernova explosions, sparking additional emissions from gas heated to millions of degrees.
At his proposed distance, the 1181 explosion was roughly a fifth as luminous as the 1987 supernova in the Large Magellanic Cloud, a nearby galaxy, that also emitted less light than the norm.
Type Ia supernovae are fairly rare in the nearby Universe and represent the explosion of at least one white dwarf star in a binary system.