Sentences with phrase «same type of supernova»
It is this same type of supernova that led to the discovery of Dark Energy in the Universe using the Keck Observatory, and three Nobel prizes.
http://www.keckobservatory.org/ Not exact matches
They turned to a type of supernova created by the death of stars of about the same mass as our sun.
They look for galaxies that contain Cepheid stars and another reliable yardstick, Type Ia supernovae, exploding stars that flare with the same amount of brightness.
«People used to think supernovae and gamma - ray bursts were all the same, then we learned they come from different types of events,» Bogdanov says.
For this study, the team set out to investigate the timing of supernova dust formation by measuring isotopes — versions of elements with the same number of protons but different numbers of neutrons — in rare presolar silicon carbide grains with compositions indicating that they formed in type II supernovae.
Even with all the variables in their origins, type Ia supernovas have still remained essentially the same brightness, and the basics of how they measure distance are unaltered.
The team will repeatedly bombard the target with the same type of ion to build a picture of the different energy levels in the resulting atoms, helping to predict the stabilities of the exotic forms made in supernovae.
The first kind, called «type Ia» (pronounced as «one a») is special because the intrinsic brightness of each of these supernovae is almost the same.