Sentences with phrase «by kilonovas»
Using Hubble's spectroscopic capabilities the teams also found indications of material being ejected by the kilonova as fast as one - fifth of the speed of light.
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The image above and animation below show the kilonova light burst, caused by neutrons radioactively decaying into precious metals, turning from blue to red over the span of four days.
A kilonova is about 1,000 times brighter than a nova, which is caused by the eruption of a white dwarf.
«We quickly realized this was a chance to test Barnes» and Kasen's new theory by using Hubble to hunt for a kilonova in near - infrared light,» Tanvir said.
Kilpatrick et al. show how these observations can be explained by an explosion known as a kilonova, which produces large quantities of heavy elements in nuclear reactions.
The aftermath of the neutron star collision detected in August included the gravitational waves spotted by LIGO and VIRGO (pale arcs); a near - light - speed jet that produced gamma rays (magenta); expanding debris from a kilonova — an explosion similar to a supernova, but smaller — that produced ultraviolet (violet), optical and infrared (blue - white to red) emission; and X-rays (blue).
Editorial note: This article was corrected on Oct. 20, to rectify an inaccuracy introduced by the editor, misstating the brightness of kilonovas.
A kilonova is triggered by the collision of two stellar corpses.