Topics: Astronomy, Astrophysics, General Relativity, Neutron Stars
In this talk Dr Victoria Kaspi of McGill University, an American-Canadian astrophysicist, who primarily investigates pulsars and neutron stars, discuses the frontiers of neutron star research. Neutron stars — compact exotic objects that appear due to gravitational collapse of a massive star after a supernova — are not only of interest to astronomers. Being made nearly entirely out of neutrons, they offer a chance to investigate particle theory at high energies making them objects of special interest for particle physicists as well.Physics Database
Neutron stars are ancient remnants of stars that have reached the end of their evolutionary journey through space and time.
These interesting objects are born from once-large stars that grew to four to eight times the size of our own sun before exploding in catastrophic supernovae. After such an explosion blows a star's outer layers into space, the core remains—but it no longer produces nuclear fusion. With no outward pressure from fusion to counterbalance gravity's inward pull, the star condenses and collapses in upon itself.
Despite their small diameters—about 12.5 miles (20 kilometers)—neutron stars boast nearly 1.5 times the mass of our sun, and are thus incredibly dense. Just a sugar cube of neutron star matter would weigh about one hundred million tons on Earth.
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The total lunar eclipse of Jan. 20-21, 2019, captured by astrophotographers Imelda Joson and Edwin Aguirre from the suburbs of Boston. From left to right: The start of totality, at 11:41 p.m. EST on Jan. 20; the middle of totality, at 12:12 a.m. on Jan. 21; and the end of totality at 12:44 a.m. Credit: Imelda Joson and Edwin Aguirre
I would give an intricate, wordy introduction, but there are some hinderances. I am currently realm-building for a debut series, but life has a way of taking priority. One day, I will have the availability I need. My next one will be more detailed, rest assured.
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Life as alpha of a werewolf pack is anything but predictable. But even Parker Berenson is surprised by the latest twist: he’s fallen in love with a space alien. Problem is, he suspects Melera, his sexy new flame, might be the serial killer terrorizing Seattle. Or maybe she isn’t. After all, just because she’s an interstellar assassin doesn’t mean she’s guilty.