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London, United Kingdom

University College London

Earth Sciences

Language: English Studies in English

Subject area: physical science, environment

Kind of studies: full-time studies, part-time studies

University website: www.ucl.ac.uk

Doctor of Philosophy (PhD)

Earth

Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4.5 billion years ago. Earth's gravity interacts with other objects in space, especially the Sun and the Moon, Earth's only natural satellite. Earth revolves around the Sun in 365.26 days, a period known as an Earth year. During this time, Earth rotates about its axis about 366.26 times.

Wikipedia

Earth

Earth below us
drifting, falling.
Floating weightless
calling, calling home...

Peter Schilling, song Major Tom (Coming Home) (1983).

Wikiquote

Earth

This poor world, the object of so much insane attachment, we are about to leave; it is but misery, vanity, and folly; a phantom, — the very fashion of which "passeth away."

François Fénelon, reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 206.

Wikiquote

Earth

But the meek shall inherit the earth; and shall delight themselves in the abundance of peace.

David, Book of Psalms 37:11.

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Physical sciences, Earth sciences

Salinity gradient energy provides green solution

The amount of energy potentially available from the difference in the salt concentrations of seawater and river water around the world is 1.4 to 2.6 terawatts, or about 20 % of local electricity consumption. This natural process does not produce carbon dioxide or any other polluting combustion emissions, nor does it result in thermal pollution.

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