Stefan E. Schröder et al 2021 Planet. Sci. J. 2 111
Boulders on Ceres are more numerous toward high latitudes and have a maximum lifetime of 150 ± 50 Ma, based on crater counts, suggesting that they are mechanically weaker than the boulders on asteroid (4) Vesta.
Viola Gelli et al 2021 ApJL 913 L25
New modeling suggests that the James Webb Space Telescope will be able to detect the dwarf satellites of high-redshift Lyman break galaxies and study their properties.
S. Poolakkil et al 2021 ApJ 913 60
Systematic spectral analyses are presented of gamma-ray bursts detected by the Fermi Gamma-Ray Burst Monitor during its first ten years of operation, resulting in a compendium of over 18,000 spectra.
Natalia M. Guerrero et al 2021 ApJS 254 39
2,241 exoplanet candidates have been identified with data from the Transiting Exoplanet Survey Satellite (TESS) during its 2-yr Prime Mission, including a large number of small candidates well-suited for followup.
Matthew Hedman and Rob Chancia 2021 Planet. Sci. J. 2 107
New analysis of the highest-resolution Voyager images of Uranus’s dusty ring system reveals that a number of these rings are less than 20 km wide.
Mary E. Putman et al 2021 ApJ 913 53
Measurements of the 119 Local Group dwarf galaxies show that 53 of 55 dwarfs within the Milky Way’s virial radius are devoid of gas, and 27 of 30 beyond the virial radius are stripped as well.