Caption: An exploding star
(illustrated) discovered on June 14 is the most powerful supernova seen to date--600 billion times as bright as the sun.
TEHRAN (FNA)- Astronomers have been able to see into the heart of an exploding star
, by combining data from telescopes that are hundreds or even thousands of kilometers apart.
Supernova explosions, triggered when the fuel within a star reignites or its core collapses, launch a detonation shock wave that sweeps through a few light years of space from the exploding star
in just a few hundred years.
At least two of the supernovae appear to be a special type of exploding star
called Type Ia supernovae, prized by astronomers because they have a consistent level of peak brightness that makes them a reliable tool for estimating distances.
In this case, the element is titanium-44, which has an unstable nucleus produced at the heart of the exploding star
The exploding star
, known as PTF11kly, was first spotted on 24 August by scientists from Oxford University and the Palomar Transient Factory (PTF) using a robotic telescope in California.
By Marc Kaufman WASHINGTON--Astronomers have discovered the brightest and most powerful exploding star
ever detected--one that is five times stronger than any measured before.
At Studio Miscetti, the installation Le Ceneri di Gramsci (Gramsci's Ashes), 2005, named after a 1954 poem by Pier Paolo Pasolini, consisted of an open-framed model of a nineteenth-century industrial building built over a wooden box whose top was a horizontal screen showing an image of an exploding star
, looking something like a cosmic birth.
Radio telescopes trained on an exploding star
, a supernova, 30 million light years away, have found a source of radiation at its core.
com pictures al-Sahhaf on the exploding Star
Wars Death Star and at the Battle of Waterloo - still maintaining that everything is just fine.
Only the heat of an exploding star
can make carbon and iron and all the heavy stuff that makes trees and mountains and elephants and people.
In Entertainment Weekly' s first major piece on the exploding star
, writer Andrew Essex asserted that Martin's cross-gender appeal has "sparked is-he-or-isn't-he watercooler debates.