R. Li et al 2020 ApJ 899 30
286 new high-probability galaxy-scale strong-lens candidates have been found in the Kilo-Degree Survey data release 4 using machine learning, including 26 objects particularly suitable for follow-up.
Allison Youngblood et al 2020 AJ 160 100
A transmission spectrum is extracted from Hubble lunar eclipse spectra during the 2019 January total lunar eclipse, providing the first near-ultraviolet observation of Earth as an exoplanet.
Erika Hamden et al 2020 ApJ 898 170
The 2018 flight of the FIREBall-2 Balloon telescope, intended to observe faint emission from the circumgalactic medium of z ~ 0.7 galaxies for the first time, ended due to a hole in the balloon; the team will try again in 2021.
Patricia Hernández-Reséndiz et al 2020 Planet. Sci. J. 1 34
Citlalmitl is a new experimental device designed and built to simulate high-temperature processes relevant for meteoritics, including chondrule formation and atmospheric reentry of micrometeorites.
Maya Fishbach et al 2020 ApJL 899 L8
Analysis of the 11 detections from LIGO/Virgo’s first gravitational-wave catalog shows that the gravitational-wave data alone suggests that neutron stars and black holes represent two distinct populations of compact objects.
Zahra Essack et al 2020 ApJ 898 160
Experimental measurements of molten silicates and quenched glasses — a product of rapidly cooled lava — indicate that hot super-Earth lava planets with solid or liquid surfaces have low albedos.