supernova
part of speech
noun (a supernova, supernovae or supernovas)
meaning for a pupil
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 →
sense 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.
Trees and pragmatics
Every meaning and example of «supernova» parsed by Mova, each sentence with its dependency tree and frames.