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A nova (plural novae or novas) is a cataclysmic nuclear explosion on a white dwarf, which ... In 2010 scientists using NASA's Fermi Gamma-ray Space Telescope were surprised to discover, for the ...

What is a nova? (Beginner) - Curious About Astronomy? Ask an ...


Jun 27, 2015 ... A nova is a strong, rapid increase in the brightness of a star. ... (Beginner) · If spacetime is curved, is it possible for us to look into space and see ...

Novae and Supernovae | StarDate Online


A nova is an explosion from the surface of a white-dwarf star in a binary star system. ... The star's outer layers “rebound” violently, blasting into space at several ...

Astronomy Basics: What is a Nova in Space? - Bright Hub


May 11, 2011 ... In terms of astronomy, it's when a star in space suddenly becomes a lot ... Learn how and why novae occur, how a nova is different from an ...

New Nova In the Night Sky: A Star Explosion Explained - Space.com


Aug 19, 2013 ... Novas such as the recently discovered Nova Delphinus 2013 are rare. Here's a look at the history of star flares like this.

Going Nova: Star Explosions Unleash Gamma-Ray ... - Space.com


Jul 31, 2014 ... The star V407 Cyg explodes in a nova (left) while circling a neighboring red giant star in this still from a NASA animation depicting the star ...

What Is a Supernova? | NASA


A supernova is the explosion of a star -- the largest explosion that takes place in space.

Astronomy's Oldest Known 'Nova' a Cosmic Case of ... - Space.com


Mar 23, 2015 ... Cosmic detectives are investigating a case of mistaken stellar identity: CK Vulpeculae, an exploding star that was once known as the oldest ...

New 'Nova' Star Explosion Spotted in Night Sky: How to ... - Space.com


Aug 15, 2013 ... A new 'nova' star explosion has been discovered in the night sky, and you can see it online tonight in a free webcast. See how to spot Nova ...

NOVA Online | Terror in Space - PBS


Welcome to the companion Web site to the NOVA program, "Terror in Space," the story of the aging and trouble-prone Russian Space Station Mir, which crashed ...

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What is a nova? - About Space


May 29, 2012 ... Once the white dwarf has absorbed so much matter that it can no longer support itself, it suddenly explodes as a nova and ejects its hot surface ...

Astronomy: What is a Nova?


Nov 25, 2010 ... Earlier it was thought that Supernova is a kind of very bright Nova and hence the name. Nova happens very often in the space, not like a ...

nova | astronomy | Britannica.com


Nova, plural Novas, orNovae, any of a class of exploding stars whose luminosity ... 5 Unforgettable Moments in the History of Spaceflight and Space Exploration.