Muhammad Akashi and Noam Soker 2021 ApJ 913 91
New 3D hydrodynamical simulations show that jets that precede the ejection of the main planetary nebula shell can form the morphological feature of ears, protrusions seen in a small fraction of these nebulae.
G. Á. Bakos et al 2021 AJ 162 7
Seven new transiting exoplanets — all hot Jupiters and Saturns transiting bright Sun-like stars — have been discovered and characterized using the HATNet survey.
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.