The complex rotation of the first interstellar object discovered traversing our solar system continues to inspire research; this work investigates the impact of outgassing from the object’s sub-stellar point.
The longest long-duration gamma-ray bursts may be a good place to look for gas rich in r-process elements: elements that are made in hot, dense environments by the rapid capture of neutrons.
A highly confident detection of polarized X-rays from an accreting, weakly magnetized neutron star has allowed researchers to assess the source’s accretion and X-ray emission mechanisms.
In the search for extraterrestrial intelligence, researchers are interested in Barnard’s star, the second-closest star system to Earth, and have predicted what a signal originating from the system might be like.
Multiwavelength observations suggest that ASASSN-14ko is a repeating tidal disruption event — a star being torn apart bit by bit by a supermassive black hole — but modeling is needed to explore the data further.
A new model used to characterize Martian dust analogs takes into account irregularly shaped dust particles and can be used in scattering and radiative-transfer models of the Martian atmosphere.