Claim: One astronomical body orbiting a star is Earth.
Evidence: Earth -LRB- from Eorðe -LSB- Γαῖα , Gaia -RSB- Terra -RRB- , otherwise known as the World or the Globe , is the third planet from the Sun and the only object in the Universe known to harbor life.
A planet is an astronomical body orbiting a star or stellar remnant that	astronomical body	astronomical body	star	star	stellar remnant	Stellar evolution#Stellar remnants
.
The Sun is the star at the center of the Solar System.