supernova

noun (a supernova, supernovae or supernovas)

«supernova» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

Everyday

A supernova is a gigantic explosion of a star at the end of its life, which can shine brighter than a whole galaxy for a short time. tree →

In the lessons

In science and space lessons, very big stars end their lives as supernovae, leaving a neutron star or black hole. Supernovae spread elements like iron and gold into space, so the atoms in our bodies were made in stars. A supernova was seen from Earth in 1054 and made the Crab Nebula.

Examples

A supernova is the explosion of a huge star. tree →
The Crab Nebula is left over from a supernova. tree →
Supernovae make heavy elements like gold. tree →
For a few weeks the supernova outshone its galaxy. tree →
Our Sun is too small to become a supernova. tree →
Astronomers spotted a new supernova in a distant galaxy. tree →

Note

Plural: supernovae (said soo-per-NOH-vee) or supernovas. A nova is a smaller star blast. Our Sun will not become a supernova; it will become a red giant and then a white dwarf.

On Mova

Trees and pragmatics of «supernova» in the school dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
«supernova» in the school dictionary on Mova free.

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