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Jupiter

/ˈdʒuːpɪtər/ · Ju·pi·ter
noun
  1. The largest planet in our solar system, a gas giant with a massive atmosphere, known for its distinctive banded appearance and numerous moons. The spacecraft flew by Jupiter, capturing stunning images of the planet's vibrant cloud bands.
proper noun
  1. In Roman mythology, the king of the gods, equivalent to the Greek god Zeus, often depicted holding a lightning bolt. Jupiter was revered as a powerful deity in ancient Roman religion, with many temples dedicated to his worship.
Did you know? Jupiter is often referred to as a 'failed star' because it is thought to have accumulated enough mass to potentially become a star, but it never reached the necessary core temperature to ignite nuclear fusion. This unique status has made Jupiter a fascinating subject of study in the fields of astronomy and astrophysics.
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Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Aug 2, 2026