Astronomy: Death of a comet
Nature 506, 7488 (2014). http://www.nature.com/doifinder/10.1038/506281a
Author: Alexandra Witze
Before it shattered near the Sun, Comet ISON became a scientific celebrity. Now researchers are trying to piece together its lessons.
Astrophysics: Lopsided stellar death
Nature 506, 7488 (2014). doi:10.1038/506298a
Authors: J. Martin Laming
Observations of the supernova remnant Cassiopeia A offer an unprecedented look back at the centre of this explosion, and support the hypothesis that spatial asymmetry is key to explaining the event. See Letter p.339
Using the sharp-eyed NASA Hubble Space Telescope, astronomers have for the first time precisely measured the rotation rate of a galaxy based on the clock-like movement of its stars.
Missing galaxy mass found
Nature 506, 7488 (2014). http://www.nature.com/doifinder/10.1038/506274a
Author: Eugenie Samuel Reich
Gravitational lensing solves puzzle from the Big Bang’s echo.