well......... planets can be use in a sentence in many ways for example: our solar system use to have nine planets but now they don't OR My favorite planet is Jupiter (or any other planet that you like.
I live on the planet Earth.
Planet Earth is where I live.
It was a earthly planet
There was no gravity on that planet.
There is an infinitesimally amount of bacteria in the planet.
planetary has a root word and it is planet
his mother has a terrestrial bracelet
The apocalyptic ship fired on the planet with its main guns.
The bolide crashed into the planet, resulting in a crater.
The Equator divides the planet into northern and southern hemispheres.
The correct verb to use in this case is "has." This is because "everyone and everything" is treated as a singular subject in the sentence.
Earth is a terrestrial planet. The three other terrestrial planets are Mercury, Venus, and Mars.
Every Planet has it's own ecliptic path. -DaFishSticks