Rapper B.o.B Wants to Launch a Satellite to See if Earth Is Flat

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Happy Earth Day ~ Hudson Valley Geologist

World Astronomical symbol of WorldThe particular Blue Marble, the first full-view photograph of the planet, was captured by astronauts en route to the Moon in 72

Earth is the 3rd planet from the sunlight and the only astronomical object known to harbor life. According to radiometric dating and other sources of evidence, Planet formed over 4. 5 billion years ago. Globe's gravity interacts with other objects in space, especially the Sun and the Celestial satellite, Earth's only natural satellite tv. Earth revolves around the Sun in 365. 26 days, a period known as an Earth year. Throughout this time, Earth revolves about its axis about 366. 26 times.

Globe's axis of rotation is tilted with respect to its orbital plane, producing seasons in the world. The gravitational interaction between Earth and the Moon causes marine tides, stabilizes Earth's orientation on its axis, and gradually slows its turn. Earth is the densest planet in the Solar System and the greatest of the four terrestrial planets.

Earth's lithosphere is divided into several firm tectonic plates that migrate across the surface over periods of many thousands of years. About 71% of Earth's surface is covered with water, mainly by oceans. The 29% is land including areas and islands that collectively have many lakes, waterways and other sources of water that contribute to the hydrosphere. The majority of Globe's polar regions are protected in ice, such as the Antarctic ice sheet and the sea ice of the Arctic ice pack. Earth's interior remains active with a solid iron internal core, a liquid exterior core that generates the Earth's magnetic field, and a convecting mantle that drives plate tectonics.

Inside the first billion years of Earth's history, life appeared in the seas and started to influence the Earth's atmosphere and surface, leading to the proliferation of aerobic and anaerobic organisms. Some geological evidence indicates that life might have arisen as much as 4. 1 billion dollars years ago. Since then, the blend of Earth's distance from the Sunshine, physical properties, and geological history have allowed life to evolve and prosper. In the great the Earth, biodiversity has gone through long periods of expansion, occasionally punctuated by mass extinction events. More than 99% of all species that ever lived on Planet are extinct. Estimates of the number of species on the planet today vary extensively; most species have not been described. Over 7. 6 billion humans live on Earth and depend on its biosphere and natural resources for their your survival.[40] Humans are suffering from diverse societies and civilizations; politically, the world has about 200 sovereign declares.

The modern English word Earth developed from a broad variety of Middle The english language forms, which derived from a classic English noun most often spelled eorðe. It has cognates in every Germanic language, and their proto-Germanic root has been reconstructed as *erþō. In its earliest appearances, eorðe was already used to convert the many senses of Latin terra and Greek γῆ (gē): the earth, its soil, dry land, your world, the surface of the world (including the sea), and the world itself. As with Terra and Gaia, Earth was a personified goddess in Germanic paganism: the Angles were listed by Tacitus as among the devotees of Nerthus, and later Norse mythology included Jörð, a giantess often given since the mommy of Thor.

Originally, planet was written in lowercase, and from early Middle English, its definite sense as "the globe" was expressed as the planet. By Early Modern The english language, many nouns were capitalized, and the earth became (and often remained) the Earth, particularly when referenced together with other heavenly body. More recently, the name is sometimes simply given as Earth, by example with the names of some other planets. House styles now vary: Oxford spelling identifies the lowercase form as the utmost common, with the capitalized form an acceptable variant. Another convention capitalizes "Earth" when appearing as a name (e. g. "Earth's atmosphere") but writes it in lowercase when preceded by the (e. h. "the atmosphere of the earth"). It almost always appears in lowercase in colloquial expressions such as "what on the planet are you doing? ".

Rapper B.o.B Wants to Launch a Satellite to See if Earth Is Flat