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References in periodicals archive ?
Type I supernovae are important for space science -- they help astronomers measure distance in space, and help them calculate how quickly the universe is expanding (a discovery so important that it won the Nobel Prize in Physics in 2011.)
Also known as standard candles, Type 1a supernovae are extremely important for astronomers due to their steady light.
Now Dieter Breitschwerdt (Berlin Institute of Technology) and colleagues have put these pieces together to pinpoint which supernovae did the deed.
Kochanek explains how technology is making the study of Milky Way supernovae possible.
He said that as they can estimate the intrinsic brightness of the supernovae, we can measure the magnification of the lens.
The teams found more than 50 distant supernovae whose light was weaker than expected, and "this was a sign that the expansion of the universe was accelerating," the academy said.
"Observing supernovae such as SN 2017cbv is an important step in this direction.
An exception to this trend occurred during the 1950s and 60s, when a group led by Caltech astronomer Fritz Zwicky discovered about 100 supernovae in photographic plates taken with the 48-inch Schmidt telescope at Palomar Observatory in California.
Conference on 1604-2004; Supernovae As Cosmological Lighthouses (2004: Padua, Italy) Ed.
About 50 superluminous supernovae have been identified so far among the thousands of supernovae detected, but astronomers have now observed one that is unusual even for its kind.
"Now, two of the three most recent and best-observed Type Ia supernovae are weird, giving us new clues to how stars explode," said Filippenko, referring to a third, though apparently 'normal,' Type Ia supernova, SN 2011fe, discovered three years ago.
Astronomers affiliated with the Supernova Legacy Survey (SNLS) have discovered two of the brightest and most distant supernovae ever recorded, 10 billion light-years away and a hundred times more luminous than a normal supernova.