Mercedes López-Morales et al 2016 AJ 152 204

An analysis of 82 new radial-velocity observations of Kepler-21, the brightest exoplanet host discovered by Kepler, show that Kepler-21b is a rocky exoplanet of roughly 5 times Earth’s mass.

T. M. Crawford et al 2016 ApJS 227 23

New maps, now available for download, have been created of the Large and Small Magellanic Clouds. They were built in three bands overlapping between the South Pole Telescope and Planck.

T. Iino et al 2016 AJ 152 179

19 years after comet Shoemaker–Levy 9 collided with Jupiter, gaseous carbon monosulfide caused by the collision is still detectable in Jupiter’s atmosphere — though at a 90% decrease from the levels in 1998.

Min Fang et al 2016 ApJL 833 L16

A young (<0.5 Myr) planet candidate — surrounded by a protoplanetary disk that is being evaporated by its host star — has been found at the center of the Orion Nebula Cluster.

T. Baug et al 2016 ApJ 833 85

Observations of the mid-infrared bubble N37 and its surroundings suggest that ongoing star formation activities in the region may be driven by the collision of two molecular clouds.

Shuhong Yang et al 2016 ApJL 833 L18

Observations from the Interface Region Imaging Spectrograph show how a light wall on the solar surface responds when flare material hits its base: the wall brightens at the base and then increases in height.