planet
part of speech
noun (a planet, planets)
meaning for a pupil
1) A very large round object in space that moves around a star, such as the Earth moving around the Sun. tree →
2) The planet: our Earth: «Look after the planet». tree →
sense in the lessons
In science: our Solar System has eight planets in order from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune («My Very Easy Method Just Speeds Up Naming»); four small rocky inner planets and four giant outer ones; Jupiter is the biggest; Pluto is now called a dwarf planet; planets don't make their own light — they reflect the Sun's light. In the environment: «save the planet» by recycling and saving energy. Phrases: the planet Earth, the Red Planet (Mars), dwarf planet, planet-friendly, save the planet.
examples
- Earth is the planet we live on. tree →
- There are eight planets in our Solar System. tree →
- Jupiter is the biggest planet. tree →
- Mars is called the Red Planet. tree →
- Planets move around the Sun. tree →
- Pluto is now called a dwarf planet. tree →
- Recycling helps look after the planet. tree →
- You can see Venus shining in the evening sky. tree →
note
Countable: planets. A planet is not a star: stars make light, planets reflect it. The Moon is not a planet; it is Earth's satellite. In maths: «Earth takes 365 days to go round the Sun» — a year.
In the corpora
- Third: people are now the strongest force on the planet.
- The Earth turns 360 degrees in 24 hours, 15 degrees an hour, so noon slides westwards around the planet like a spotlight.
- The heat inside the Earth comes partly from when the planet formed and partly from radioactive elements slowly breaking down.
- In 2006 astronomers reclassified Pluto as a dwarf planet after finding other similar objects, and some scientists still argue about it.
- Saturn is not the only planet with rings: Jupiter, Uranus and Neptune have faint rings too.
Trees and pragmatics
Every meaning and example of «planet» parsed by Mova, each sentence with its dependency tree and frames.