Hallo!

I just have to create a 5 minutes video
for a big prize ceremony about me.

In this video will be some of my own
POV animations, from
"GEMINI inhabited solar power plant",
and "Land for energy"

But I need 2 more animations:

Earth hit by a meteroit
65 millions year ago

Sun beomes a Nova in 5 billion years.

Any ideas?

best regards

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> Hallo!
>
> I just have to create a 5 minutes video
> for a big prize ceremony about me.
>
> In this video will be some of my own
> POV animations, from
> "GEMINI inhabited solar power plant",
> and "Land for energy"
>
> But I need 2 more animations:
>
> Earth hit by a meteroit
> 65 millions year ago
>
> Sun beomes a Nova in 5 billion years.
>
> Any ideas?
>
> best regards
>

>

Forget the Sun going nova. It will just NEVER appen, it simply don't 
have the required mass by at least a factor of 15, probably some more.

It will probably expand by a factor of 100 to 100000 over some millenias 
starting in 5 to 12 billion years. It may last maybe a few 1000000 
years. It will then slowly shrink down to about 1% of it's current 
radius. This again, will take several 1000's of years.

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Am 28.10.2011 01:07, schrieb Alain:
> Forget the Sun going nova. It will just NEVER appen, it simply don't
> have the required mass by at least a factor of 15, probably some more.

Well, the sun is pretty unlikely to go nova indeed, but strictly 
speaking the reason for this is not the mass (which would be 
sufficient), but its utter lack of a close companion star :-P

What you seem to have in mind is actually a SUPERnova. (Even then, the 
mass limit is lower than the factor of 15 you mentioned, which sounds 
more like the estimated limit required for a star to end as a black 
hole; for a supernova event, a collapse to a neutron star will do.)

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