Supernovas are the explosions of large stars in space.
Of course, supernovas are fatal. Even if they're several thousand miles away from us, they can kill us from escaping radiation, but in a very slow manner. The chances of a supernova actually happening near us is very unlikely.
no
Stars do not create supernovas. Supernovas happen to stars. A supernova is when a star, bigger than our own sun, explodes due to the lack of gas they need.
Star Dust from supernovas is what makes technically 'everything' in the Universe.
They are not. A supernova is an explosion of a star. Blue stars usually end their lives in such explosions.
In space.
A great energy and light is produced by the supernovas. Therefore, a great number of photons is produced.
Yes.
gases.
star explosions
No. Supernovas are cataclysmic eruptions from massive stars that have come to the end of their lives. See related questions
Supernovas. A 'shooting star' is not a star at all, it is a meteor glowing as it enters the earth's atmosphere.