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Supernovae

How do Hypervelocity Stars End up Breaking The Speed Limit?

June 4, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter The Sun is racing through the Galaxy at a speed that is 30 times greater than a space shuttle in orbit (clocking in at 220 km/s with respect to the galactic center). Most stars within the Milky Way travel at a [...]

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Hubble Telescope Breaks Record in Finding Most Distant Type Ia Supernova

April 4, 2013

Astronomers just keep honing their skills and refining their techniques to get the most out of their telescopes. Scientists using the Hubble Space Telescope have now broken the record for the most distant Type Ia supernova ever imaged. This supernova is over 10 billion light-years away, with a redshift of 1.914. When this star exploded [...]

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New Bright and Blue Supernova in NGC 1365

November 13, 2012

Supernova 2012fr in NGC 1365. It is the bright blue “star” directly below the galaxy core. Credit: Rolf Wahl Olsen. Click the image for larger version. A very bright supernova has shown up in NGC 1365, the galaxy also known as the Great Barred Spiral Galaxy, visible now for southern hemisphere observers. This already elegant [...]

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Astrophoto: Supernova PTF11kly During and After

June 22, 2012

It was literally an event of stellar proportions! In August 2011, a new Type Ia supernova was seen in spiral galaxy M101 a.k.a the Pinwheel Galaxy, located 25 million light-years away. Called PTF11kly, the bright supernova was a target for many astrophotographers. But what does it look like now? Here is a side-by-side comparison by [...]

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The Contributor to SN 2011fe

January 8, 2012

When discovered on August 24, 2011, supernova 2011fe was the closest supernova since the famous SN 1987A. Located in the relatively nearby Pinwheel galaxy (M101), it was a prime target for scientists to study since the host galaxy has been well studied and many high resolution images exist from before the explosion, allowing astronomers to [...]

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