Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
If you were attacked by a ravenous vampire star or were at risk of falling into two dueling black holes, you'd probably run, too! at a staggering million miles per hour . That's about 1,500 times faster than the speed of sound.mission over the course of almost a decade and a half. J1249+36 immediately stood out because of its immense velocity of specifically 1.
In the first scenario used to explain the hypervelocity nature of J1249+36, Burgasser and colleagues hypothesized that the low-mass star was once the stellar companion of a type of a"dead" star called asupply in their cores. When that happens, a star's nuclear fusion ceases. This cuts off the outward flow of energy that supports the star against the inward pressure of its own gravity. While this ends the lives of lonely, isolated stars like the sun, however,of around 1.
Simulations generated by Kremer revealed that, on rare occasions, these kinds of interactions can kick a low-mass subdwarf out of a globular cluster and put them on trajectories similar to what's observed with J1249+36. Whatever the origins of this star are, its discovery offers scientists the unique opportunity to investigate hypervelocity stars as a whole. And it's all very cool.
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