News tagged with supernovas

Dark Energy Survey set to seek out supernovae

(Phys.org) —The largest ever search for supernovae – exploding stars up to 10 billion times brighter than the Sun – is beginning this August. For the next five years, the Dark Energy Survey (DES) will ...

dateJul 02, 2013 in Astronomy
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The remarkable remains of a recent supernova

(Phys.org) —Astronomers estimate that a star explodes as a supernova in our Galaxy, on average, about twice per century. In 2008, a team of scientists announced they discovered the remains of a supernova ...

dateJun 26, 2013 in Astronomy
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Messier 61 looks straight into Hubble's camera

(Phys.org) —The NASA/ESA Hubble Space Telescope has captured this image of nearby spiral galaxy Messier 61, also known as NGC 4303. The galaxy, located only 55 million light-years away from Earth, is roughly ...

dateJun 21, 2013 in Astronomy
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Key link found in Cosmic Distance Ladder

(Phys.org) —When observing the bright explosion of a White Dwarf star in our neighbouring galaxy last year, researchers from The Australian National University collected the largest ever data set on what ...

dateJun 20, 2013 in Astronomy
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Pinwheeling across the sky

(Phys.org) —The face-on Pinwheel spiral galaxy is seen at ultraviolet wavelengths in this image taken by ESA's XMM-Newton space telescope.

dateJun 11, 2013 in Astronomy
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Cat's Paw Nebula 'littered' with baby stars

Most skygazers recognize the Orion Nebula, one of the closest stellar nurseries to Earth. Although it makes for great views in backyard telescopes, the Orion Nebula is far from the most prolific star-forming ...

dateJun 05, 2013 in Astronomy
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Astronomers discover light echo from supernova

(Phys.org) —Astronomers have discovered light echoing off material surrounding a recent supernova explosion, SN 2009ig. The dust and gas that are reflecting the light are so close to the eruption center ...

dateJun 04, 2013 in Astronomy
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A hidden population of exotic neutron stars

(Phys.org) —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using ...

dateMay 23, 2013 in Astronomy
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Hubble sees the remains of a star gone supernova

(Phys.org) —These delicate wisps of gas make up an object known as SNR B0519-69.0, or SNR 0519 for short. The thin, blood-red shells are actually the remnants from when an unstable progenitor star exploded ...

dateMay 03, 2013 in Astronomy
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Supernovae and the origin of cosmic rays

(Phys.org) —In the spring of the year 1006, one thousand and seven years ago this April, observers in China, Egypt, Iraq, Japan, Switzerland (and perhaps North America) reported seeing what might be the ...

dateApr 22, 2013 in Astronomy
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