Sentences with phrase «continents of planet earth»

Not exact matches

Plants came out upon the land some six hundred million years ago, after the planet earth had shaped itself through a great series of transformations forming the continents, the mountains, the valleys, the rivers and streams.

For four billion years, the rate of change of the Earth system (E) has been a complex function of astronomical (A) and geophysical (G) forces plus internal dynamics (I): Earth's orbit around the sun, gravitational interactions with other planets, the sun's heat output, colliding continents, volcanoes and evolution, among others.

«We can't see individual continents or people in this portrait of Earth, but this pale blue dot is a succinct summary of who we were on July 19,» said Linda Spilker, Cassini project scientist, at NASA's Jet Propulsion Laboratory in Pasadena, Calif. «Cassini's picture reminds us how tiny our home planet is in the vastness of space, and also testifies to the ingenuity of the citizens of this tiny planet to send a robotic spacecraft so far away from home to study Saturn and take a look - back photo of Earth.»

Plate tectonics has shaped the Earth's surface for billions of years: Continents and oceanic crust have pushed and pulled on each other, continually rearranging the planet's façade.

For planetary tipping points to exist, the forces of humanity would need to act uniformly across the planet, all ecosystems would need to respond to them in the same way, and the response would need to be transmitted rapidly across Earth's many ecosystems and continents.

The sun and moon tug on the planet, while the drift of continents, changes in ocean currents, and the rebounding of the crust since the retreat of ice age glaciers all shift mass around, altering Earth's moment of inertia and therefore its spin.

In Inheritors of the Earth, ecologist Chris Thomas says that we are witnessing a virtual recreation of the single continent that dominated the planet until 175 million years ago.

The Earth we know generally moves in nonmysterious ways, but the latest evidence from an international team of geoscientists shows that about 800 million years ago, our planet executed a tricky balancing act that changed the course of the continents.

«What we take for granted on this planet, such as oceans and continents, would not exist if the internal temperature of Earth had not been in a certain range, and this means that the beginning of Earth's history can not be too hot or too cold.»

The greater estimate of shrinkage accords with models that predict how much a rocky planet should contract as its interior cools; the new work may also lend insight into the evolution of extrasolar planets that, like Mercury and unlike Earth, lack any moving continents.

The coldest, driest, and iciest of Earth's continents, Antarctica is home to some of the most important and ambitious science projects on the planet.

Earth is the only known planet with plate tectonics, in which parts of the upper mantle and crust move about, shifting continents and triggering all kinds of geologic activity.

The first time you launch Celestia, it deposits you a few thousand miles outside Earth's atmosphere, with the continents and cloud formations of the blue planet spread out before you.

The slippery, multi-tentacled creatures seen in Gareth Edwards» «Monsters» have adapted to Earth's harshest environments, migrating from their Central American infected zone to other parts of the planet in «Monsters: Dark Continent.»

«There are trends in the tides of the planet that come from the changes in the continents, the wobbles in the Earth's orbit,» he said, emphasizing Earth's many rhythms, crescendos, and cataclysms that lend themselves to music.

I propose that Westeros (or rather, the unnamed planet which contains Westeros and Essos and any other undiscovered continents in Game of Thrones; let's call it Westeros - world) experiences glacial cycles just like Earth, but the periods of the underlying Milankovitch cycles are much shorter — on the order of years to decades.