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Nova

A space prezi(:
by

Bethany Pattinson

on 28 April 2010

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Transcript of Nova

Novas "Planetary Nebulas" There is no real distance of Novas.

Novas interact with stars.
They accure when a star as
burned out, or when a star is
at the end of its life.
A neclear explosion happens which also
exerts radiation but it
doesn't completly destroy its self. Dust and dirt particles
leave the star, which sheads
most of its mass. Nova is the most commonly
used name, but it is also refered to
as "Planetary Nebulae". Which causes it to be
much smaller than its original
size, while just leaving a hot core.
Our Sun will probably reach this state of evolution by a Nova or even
a Super Nova at an age of about 10-13 billion years; as it is now only
about 4.7 billion years old, we have probably
some time left until this event happens. The first Nova seen by human
was in the summer of 1764. By Charels Messier, with a telescope.
The name was "Dumbbell Nebula M27". But we do know for certain that the closes Nova to us
is called "NIGC 7293", the Helix Nebula. Discovered by, Karl Ludwig
Harding before 1824. Scientist are quite uncertain with its distance
but they estimate about 450 light years from earth. Helix Nebula is also one of the largest Novas.
Its size covers more than half of our moon, and its halo reaches
farther out to the entire size of the moon. Novas a very silmilar to Super Novas,but Novas are much smaller thatn Super Novas, who desrtoy the entire star. What we found really intresting about
Novas is the large range of various colors they can be. Sunshine. 1998. Incompletech Creative Industries. Web. 27 Apr. 2010.

2007. The A Register. Web. 27 Apr. 2010.

2006. NASA. Web. 27 Apr. 2010.

2008. LCOGT.net. Web. 27 Apr. 2010.

2009. NASA. Astronomy picture of the day. Web. 27 Apr. 2010.

"Messiers Planetary Nebulas." Planetary Nebula. 17 July 2007. Web. 27 Apr. 2010.
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