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NASA actually has an Office of Planetary Protection in case life is found on another planet.
NASA’s Kepler mission, launched in 2009 has found 2,325 planet candidates and 1,284 were in a single finding, the largest to date.
Three men from Yemen sued NASA for trespassing on Mars. They claimed that they inherited the planet from their ancestors 3,000 years ago.
NASA has discovered a “waterworld” planet about 40 light-years away from earth that might contain exotic materials such as “hot ice” and “superfluid water.”
Venetia Burney, who at age 11 suggested the name “Pluto” for the ninth planet in our solar system, lived to see it demoted to a dwarf planet in 2006.
Saturn’s density is low enough that the planet would float in water.
Earth is the only planet that is not named after a god.
There are more lifeforms living on your skin than there are people on the planet.
One in every five adults believe that aliens are hiding in our planet disguised as humans.
If you somehow found a way to extract all of the gold from the bubbling core of our lovely little planet, you would be able to cover all of the land in a layer of gold up to your knees.
Mars has the tallest known mountain on a planet of our Solar System, with a height of 22 km (14 mi).
There’s a blue planet where it rains glass.
12% of all the people ever born are walking the planet at this very moment.
A day on Mercury is equivalent to almost 59 days on the planet Earth.
If you earn more than US$21,000 a year, you are part of the richest 4% of the planet.
A single human male produces enough sperm in two weeks to impregnate every fertile woman on the planet.
Neptune was the first planet to get its existence predicted by calculations before it was actually seen by a telescope.
The total weight of all the ants on Earth is greater than the total weight of all the humans on the planet.
Nearly all of the gold on Earth came frommeteorites that bombarded the planet over 200 million years after it formed.
Earth is the only planet whose name in English is not derived from a Greco-Roman God.