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Supernovae

Stellar Evolution

All stars form in nebulae, huge clouds of gas and dust.

Though they shine for thousands of years, stars do not last forever. The changes that occur in a star over time and the final stage of its life depends on a star's size.

A diagram showing the stages in the life cycle of a star. "Creation" is at the top, also labelled "Stellar Nebula" along with a graphic of a pink swirly cloud. Two arrows point left and right with the label "Main Sequence". On the left is "High Mass Star", a blue circle, and arrows lead to the next stages which are "Red Supergiant", "Supernova", "Neutron Star" and "Black Hole". The right arrow leads to a "Low Mass Star", a yellow circle. Arrows then point to the next stages.
This work by The Schools' Observatory is licensed under All rights reserved

Mario Hamuy

Early Life

Mario was born in Chile. Although his dad was a politician Mario found a love for science. He got degrees in physics and astronomy from the University of Chile. 

Year born: 1960

Research Areas: Observational Astronomy, Supernovae, Cosmic Distances