Terrestrial Planet (Noun)
Meaning
A planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system.
Classification
Nouns denoting natural objects (not man-made).
Examples
- The terrestrial planet closest to the sun is Mercury, with a surface composed primarily of iron and silicate rocks.
- Earth is the only known terrestrial planet in the universe that supports life.
- The four terrestrial planets in our solar system are Mercury, Venus, Earth, and Mars.
- Astronomers have discovered several terrestrial planets orbiting other stars, but none have conditions suitable for life.
- The study of terrestrial planets provides valuable insights into the formation and evolution of rocky worlds like our own.