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Earth

The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.

Ģeogrāfija

Atslēgvārdi

Zeme, planēta, akmeņainas planētas, Mēness, Saules sistēma, Saule, rotācijas ass, ģeoīds, Pagriezt, orbītā, asinsrites sistēma, ģeosfēra, garozs, litosfēra, mantija, kodols, atmosf., biosfēra, Pasaule Circle, Vēža tropi, Ekvators, Dienvidu tropu loks, Antarktikas aplis, plūdmaiņa, gadalaiki, Ģeogrāfija

Saistītie vienumi

The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.

Topography of the Earth

The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.

Planets, sizes

The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.

Climate zones

The Earth is divided into geographical and climatic zones, which result in the zonation of vegetation.

Continents and oceans

Dry land on the surface of Earth is divided into continents which are separated by oceans.

Geographic coordinate system (basic)

The system of circles of latitude and longitude on the globe enable every location on the Earth to be exactly specified.

Milky Way

The diameter of our galaxy is about 100,000 light years; it contains more than 100 billion stars, one of which is our Sun.

The Earth’s magnetic field

The Earth’s magnetic North and South poles are located near the geographic North and South poles.

The science of Santa Claus

Every year, Santa Claus brings gifts to nearly 600 million children on Christmas Eve. Let's see what physical facts make his job harder.

The Sun

The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.

Altitudinal zonation

In mountainous areas the climate, soil properties, the flora and fauna change depending on elevation.

Jupiter

Jupiter is the largest planet of the Solar System, it has two and a half times the mass of all the other planets combined.

Neptune

Neptune is the outermost planet of the Solar System, the smallest of the giant planets

Saturn

Saturn is the second largest planet in the Solar System, easily recognisable by its rings.

Venus

Venus is the 2nd planet from the Sun, the brightest object on the night sky (after the Moon).

Moon landing: 20 July 1969

Neil Armstrong, one of the crew members of Apollo 11 was the first man to set foot on the Moon.

The Dawn mission

Studying Ceres and Vesta will help us learn more about the early history of the Solar System and how rocky planets are formed.

The New Horizons mission

The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.

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