The universe has many more secrets to reveal to us
Los Stars, whatever their form or name, like impressive kilonovae, fill our galaxy and the observable universe. From Earth we know why stars twinkle, but We don’t know what Some of them may die twice.
A second dead pulsar
it will be called so Pulsars They are one form One in particular Neutron star. These celestial bodies form when a high-mass star exhausts its life, stops burning nuclear fuel, and explodes in a supernova. So, we talk Space ZombiesCapable of concentrating a star’s mass into a very small volume.
Due to its rapid rotation, it gets its name from the radiation that is directed towards us as seen from Earth. Pulsars have always been thought to slow down their rhythms Over time, but this is something Never noticed. At least until now, thanks An article published in the scientific journal Nature Astronomy.
Study co-author Manisha Caleb and other researchers say they found ASKAP object J1935+214it is a A pulsar that rotates for 54 minutes per rotationSomething that puts it The second time is the border of ‘cosmic death’. In fact, Manisha says, ‘this material is in a neutron star graveyard’.
Thanks to the Australian Square Kilometer Array Pathfinder Telescope, also known as ASKAP, scientists were able to find the pulsar in October 2022. Pulsar Located 16,000 light years away Our position is and is 10 to 20 kilometers in diameter. The thing to note is Three types of behavior On the subject: seconds of a strong impulse, milliseconds of a weak one, and the ‘resting mode’ of no impulses. As stated Central New Scientist Manisha Caleb:
No other material that we know of does this. If we hadn’t pinpointed these emissions from the same object, we wouldn’t have believed they came from the same point in the sky. It implies that some body is changing in ways that we do not understand.
Researchers have also assessed Possible It is a Magnetic white dwarf, a type of star that has not collapsed to such a low density, although radio emissions from this type of celestial object have never been observed. Finally, Manisha promises, ‘we need to rethink our understanding of how neutron stars form’.
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