Question

Part A A supernova that occurs 10,000 years from now in a galaxy 50,000 light years away: A supernova that occurs 10,000 years from now in a galaxy 50,000 light years away: was observed on Earth 40,000 years ago. was observed on Earth 50,000 years ago. will be observed on Earth 50,0000 years from now. will be observed on Earth 60,000 years from now. will be observed on Earth 10,000 years from now.

Answer 1

The Supernova will be observed on Earth 60,000 years from now.

What is Supernova?

• A supernova is a star's tremendous and brilliant explosion. It is referred to as a supernova or a supernovae and is abbreviated as SN or SNe.
• This fleeting astronomical occurrence takes place either when a white dwarf is set off into uncontrolled nuclear fusion or during the latter phases of the development of a big star. The original object, known as the progenitor, either disintegrates completely or falls into a neutron star or black hole.
• Before fading over the course of several weeks or months, the peak optical luminosity of a supernova can be similar to that of an entire galaxy.
• Compared to novae, supernovae are more energetic. Nova, which in Latin means "new," refers to what appears to be a transitory new bright star in astronomy. Supernovae can be distinguished from regular novae by the prefix "super-."

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