Why Are Pulsar Planets Rare?
Pulsar planets were the first planets outside the solar system ever discovered, but they now appear to be very rare. What makes a pulsar planet so uncommon?
A Repeating FRB
Mysterious, brief bursts of radio have been detected many times from what looks to be the same source for the first time.
Forging metals with dark matter in dwarf galaxies
Since discovered last year, the origin of a disproportionate amount of extreme heavy elements in a dwarf galaxy has been a mystery. Could it be the work of an invisible hand?
Two Winds
In today’s paper, Rezzolla and Kumar present a solution to the x-ray afterglow problem for the short gamma ray burst model. They show that x-rays can glow steadily for hours after the initial gamma ray emission due to the interactions of a slow and a fast wind.
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Dark matter, neutron stars, black holes, and an extremely exotic explanation for Fast Radio Bursts.
The first discovery of a Thorne–Żytkow Object?
For the first time, astronomers have announced a Thorne–Żytkow Object candidate- a bizarre system in which a neutron star is surrounded by an envelope of stellar material.