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Young Stellar System Caught in Act of Forming Close Multiples
Young Stellar System Caught Forming Close Multiples
2016/11/4
For the first time, astronomers have seen a dusty disk of material around a young star fragmenting into a multiple-star system. Scientists had suspected such a process, caused by gravitational instabi...
Supernova caught in the act by Palomar Transient Factory
Supernova caught in the act Palomar Transient Factory
2014/6/12
Supernovae—stellar explosions—are incredibly energetic, dynamic events. It is easy to imagine that they are uncommon, but the universe is a big place and supernovae are actually fairly routine. The pr...
Features in the primordial spectrum: new constraints from WMAP7+ACT data and prospects for Planck
Features primordial spectrum constraints WMAP7+ACT data prospects Planck
2011/10/19
We update the constraints on possible features in the primordial inflationary density perturbation spectrum by using the latest data from the WMAP7 and ACT Cosmic Microwave Background experiments. The...