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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 ...

What Is a Supernova? | NASA


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

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 ...

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 ...

Nova Star Explosion Is Visible to the Naked Eye ... - Space.com


Aug 21, 2013 ... The impressive new star explosion, Nova Delphinus 2013, has brightened considerably since its discovery on Aug. 14. See how to spot the ...

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.

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


Mar 23, 2015 ... The remnant of CK Vulpeculae, previously known as the oldest recorded nova. Shown here, CK Vulpeculae is surrounded by a dusty torus ...

'Nova' Star Explosion Spotted in Night Sky: How to See It - 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 ... It might not be super, but it's still a very impressive explosion.

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


A nova reaches maximum luminosity within... ... Nova, plural Novas, orNovae, any of a class of exploding stars whose luminosity ... Stars: Explosions in Space.