Search results
Results From The WOW.Com Content Network
Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust.
Earth was first used as the name of the sphere of the Earth in the early fifteenth century. [4] The planet's name in Latin, used academically and scientifically in the West during the Renaissance , is the same as that of Terra Mater , the Roman goddess, which translates to English as Mother Earth .
Astronomical naming conventions. In ancient times, only the Sun and Moon, a few stars, and the most easily visible planets had names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are discovered every year. Astronomers need to be able to assign systematic ...
Planet symbols. A planet symbol or planetary symbol is a graphical symbol used in astrology and astronomy to represent a classical planet (including the Sun and the Moon) or one of the modern planets. The symbols were also used in alchemy to represent the metals associated with the planets, and in calendars for their associated days.
Astronomy. Terra (satellite), a multi-national NASA scientific research satellite. Terrae, extensive land masses found on various solar system bodies. List of terrae on Mars. List of terrae on Venus. Terra, a highland on the Moon (Luna) Terrestrial (disambiguation), things related to land or the planet Earth.
Main article: Solar System. According to the IAU definition, there are eight planets in the Solar System, which are (in increasing distance from the Sun):[2]Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Jupiter is the largest, at 318 Earth masses, whereas Mercury is the smallest, at 0.055 Earth masses.
The Greek name Γαῖα (Gaia Ancient Greek: or ) is a mostly epic, collateral form of Attic Γῆ (Gē), and Doric Γᾶ (Ga), [3] perhaps identical to Δᾶ (Da), [6] both meaning "Earth". Some scholars believe that the word is of uncertain origin. [7] Beekes suggested a probable Pre-Greek origin. [8]
Flag of Earth proposed by James W. Cadle in 1970. In May 1970, James W. Cadle, a farmer from Homer, Illinois, proposed his version of the flag of Earth, that consisted of a blue circle representing the Earth, placed in the centre of the flag, in front of a segment of a larger yellow circle, representing the Sun, placed on the left side of the map, and a smaller white circle, representing the ...