Earth is the only planet in the solar system not named after a Roman or Greek deity. The hottest recorded temperature is 136 degrees Fahrenheit. Scientists believe that Earth once had two moons. The longest mountain range on the planet is underwater and is called the mi...
According to Encyclopædia Britannica, Earth is classified as a terrestrial planet. A terrestrial planet is rocky, in contrast to the predominantly gas planets found in the outer solar system.
A lot of "Earth-like" planets are out there, but not all of them necessarily have landscapes that are identical or similar to Earth's. For example, Mars has been described as "Earth-like" thanks to its rocky surface, despite having no trees or oceans. Scientists have fo...
Earth is unique in that scientists have found the planet to be the only one to have liquid water on its surface, intelligent life forms living on it, a moon that helps regulate surface temperatures, an atmosphere with 21 percent oxygen and plate tectonics, according to ...
Earth formed around 4.54 billion years ago and is the third planet from the Sun. It is the fifth largest planet in the solar system and the largest of the terrestrial planets. It is also the densest of all the planets.
The planet Earth can sometimes be referred to as terra firma, macrocosm, globe, big blue marble and terrestrial sphere. It is believed that life only exists on Earth since no other planet has the right environment to support life.
According to NASA, Planet X does not exist, so there are no facts about it. As of 2015, the space agency's Wide-Field Infrared Survey Explorer, or WISE, found no evidence of a large, undiscovered planet within the solar system or even on the fringes of the solar system....