I suggest you check your question. Earth is a planet. Earth does not 'contain' any planets; therefore the only answer to your question is....earth.
It Isn't Earth of couse! It's Maybe Jupiter, It Might Be I'm Not So Soure. But You Can Try Google.com.au/What+Is+The+Coldest+Planet
No, Neptune is the second coldest planet (Uranus is the coldest.) Mars is the coldest of the four inner planets.
The coldest planet is Neptune.
The coldest planet in our solar system is Uranus.
Antarctica is the highest, driest, windiest, coldest, darkest and iciest planet on earth.
Pluto is the coldest planet
Venus is hottest Mercury is second hottest Earth is third hottest Mars is fourth hottest Jupitar is fourth coldest Saturn is the third coldest Uranus is the second coldest Neptune is the coldest
Impossible to answer because it isn't the coldest planet.
The coldest planet is Uranus, with an average temperature of about -350 °F.
Although Neptune is the furthest planet in the solar system (8th planet), the coldest is in fact Uranus (the 7th planet).
The third coldest planet is Saturn. (Neptune and Uranus are colder; Uranus being the coldest.)
It is the coldest planet. If you include the Dwarf Planet Pluto, then Pluto is colder.