About 50 to 100 light-years as the closest safe distance between Earth and a supernova. But, if a supernova to go off within about 30 light-years of us, that would lead to major effects on the Earth, possibly mass extinctions.
outside the solar system at least, probably a few light years away
A supernova nearer than about 100 light-years could be dangerous.
yes
Tych Brahe
Only a very, very few stars have mass enough to become supernova. Jupiter is a planet not a star. It is far to small to become a star, let alone a supernova.
It could. it depends on the condidtion. Yes it could but after the sun goes supernova it has a chance of turning into a black hole.
Supernova for sure - it's affects will be known for billions and billions of miles, whereas a black hole is only really disastrous within the event horizon which doesn't normally extend that far.
Well a supernova is the explosions or death of a star, so the Vela supernova is probably the supernova of the star vela!
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No, a supernova is an explosion of a star. What left of a supernova are celestial bodies.
For some not all, its safe for me so far
SN 2006gy was the brightest and largest supernova ever discovered, scientists announced. The star was in the NGC 1260 galaxy, in the same direction as the constellation Perseus and may be a type of supernova previously predicted by theory but not observed. The conclusion was reached after extended observations of the supernova by both optical telescopes and X-ray telescopy. Currently, there are two possible explanations for the supernova's brightness, but both require the star in question to have been at least a hundred times as massive as the sun. Although the supernova is brighter than SN 1987A, which was bright enough to be seen by the naked eye, SN 2006gy is too far away to be seen by the naked eye.
As far as is safe
The Production Budget for Supernova was $60,000,000.