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The Earth phase, Terra phase, terrestrial phase, or phase of Earth, is the shape of the directly sunlit portion of Earth as viewed from the Moon (or elsewhere extraterrestrially). From the Moon, the Earth phases gradually and cyclically change over the period of a synodic month (about 29.53 days), as the orbital positions of the Moon around ...
Earth phase – Phases of the Earth as seen from the Moon; Evolutionary history of life; Future of Earth – Long-term extrapolated geological and biological changes of planet Earth; Geological history of Earth – The sequence of major geological events in Earth's past; Global catastrophic risk – Hypothetical global-scale disaster risk
The evolution of the apparent diameter and phases of Venus. A planetary phase is a certain portion of a planet's area that reflects sunlight as viewed from a given vantage point, as well as the period of time during which it occurs. The phase is determined by the phase angle, which is the angle between the planet, the Sun and the Earth.
However, an alternative view proposes that Earth never experienced a vertical tectonic phase and that plate tectonics have been active throughout its entire history. [25] [26] [27] During this time, the Earth's crust cooled enough that rocks and continental plates began to form.
Earth is rounded into an ellipsoid with a circumference of about 40,000 km. It is the densest planet in the Solar System. Of the four rocky planets, it is the largest and most massive. Earth is about eight light-minutes away from the Sun and orbits it, taking a year (about 365.25 days) to complete one revolution.
Image credits: Furious Thoughts You can also use Google Earth to explore the planet and various cities, locations, and landscapes using coordinates.The program covers most of the globe (97% back ...
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A piece of fossilized vomit, dating back to when dinosaurs roamed the earth, was discovered in Denmark, the Museum of East Zealand said on Monday. A local amateur fossil hunter made the find on ...