supernova
IPA/ˈsuːpənəʊvə/
KK[sˌupɚnˈovə]IPA/ˈsuːpərnəʊvə/
supernova — noun
- supernovasingular
- supernovaeplural
1. An exploding star that briefly shines millions of times brighter than normal bef
1.名詞B2
釋義
An exploding star that briefly shines millions of times brighter than normal before fading into a faint remnant.
例句
Anong aimed the telescope at the supernova and watched its light grow brighter each night.
The supernova in the Andromeda Galaxy briefly outshone every star in the night sky.
collocation: supernova in [galaxy]
Mira's research team detected the supernova just hours after the explosion reached Earth.
Léa said most of the iron in our bodies came from an ancient supernova.
常見錯誤
❌The Sun will become a supernova one day.
✅Only stars much more massive than the Sun can become supernovae.
💡the Sun is too small to explode as a supernova; it will become a white dwarf.
❌A supernova is when a star explodes.
✅A supernova is an exploding star that becomes extremely bright for a short time.
💡avoid using 'is when' to define a noun.