News tagged with stars

A colorful gathering of middle-aged stars

NGC 3532 is a bright open cluster located some 1300 light-years away in the constellation of Carina(The Keel of the ship Argo). It is informally known as the Wishing Well Cluster, as it resembles scattered ...

Nov 26, 2014
5 / 5 (6) 0

The impossible triple star KIC 2856960

There's news this week of an "impossible" triple star system recently discovered by astronomers. One that "defies known physics." Needless to say, there's no need to abandon physics quite yet.

Sep 09, 2014
4.9 / 5 (20) 2

WikiGalaxy turns Wikipedia into a galaxy of stars

Owen Cornec, an engineering student studying in Paris, has released a web browser application called WikiGalaxy that gives using Wikipedia a whole new spin. He's used a star/galaxy based analog as a basis ...

Dec 10, 2014 weblog
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Tracking the night sky for January 2015

Jupiter will dominate the night during January from the time it rises until dawn, soaring high across the sky in the constellation Leo the Lion about 10 degrees northwest of Leo's brightest star, Regulus.

Jan 05, 2015
5 / 5 (4) 1

What is Nothing?

Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the gaps between atoms? What are the properties of nothing?

Aug 22, 2014
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Black holes come to the big screen

The new movie "Interstellar" explores a longstanding fascination, but UA astrophysicists are using cutting-edge technology to go one better. They're working on how to take pictures of the black hole at the ...

Nov 06, 2014
4.9 / 5 (17) 8

How small can galaxies be?

Yesterday I talked about just how small a star can be, so today let's explore just how small a galaxy can be. Our Milky Way galaxy is about 100,000 light years across, and contains about 200 billion stars. Th ...

Sep 29, 2014
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The evidence for pair-instability supernovae

A supernova is a stellar explosion. They can occur when a large star exhausts its ability to fuse hydrogen into higher elements, and its core collapses. The resulting rebound rips apart the outer layers of ...

Oct 06, 2014
4.9 / 5 (20) 5