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Content about stars

January 21, 2015
Exploring the universe with supercomputing

The Center for Computational Astrophysics in Japan recently upgraded its ATERUI supercomputer, doubling the machine’s theoretical peak performance to 1.058 petaFLOPS. Eiichiro Kokubo, director of the center, tells iSGTW how supercomputers are changing the way research is conducted in astronomy.

January 15, 2014
Mapping the stars — Gaia's big data challenge

Video courtesy ESA.

December 4, 2013
High-performance computing clears up big bang chemical conundrum

For roughly two decades, scientists have struggled to understand the ratio of lithium isotopes found within the bellies of the oldest stars in the universe. Now, with the aid of high-performance computing, an international group of researchers has put this cosmic problem to rest.

 

 

February 13, 2013
Fleeting stellar unions, and feisty red outbursts

A recently published study from the University of Alberta, Canada, examines what happens when binary stars come together. The research, published in the journal Science, has also shed ‘light’ on where mysterious cool and red outbursts, called intermediate-luminosity red transients, originate form.

 

 

August 22, 2012
How to grow a universe – just add a supercomputer

Scientists using Harvard's Odyssey high-performance supercomputer have created the most realistic simulation of cosmic evolution to date.