The Sun

The Sun

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

Geografija

Raktiniai žodžiai

Saulė, Saulės struktūra, Saulės sistema, Paukščių Takas, Vandenilis, Helis, sintezė, saulės žybsnis, Saulėlydis, Fotosfera, Chromosfera, Korona, saulės vėjo, Granuliavimas, Saulės svarba, Kosmoso zondas, astronomija, atomo fizika, Dalelių fizika, Geografija, Fizika

Susiję elementai

Vaizdai

Susiję elementai

Fusion reactor

Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.

Our astronomical neighbourhood

A demonstration of nearby planets, stars and galaxies.

Planets, sizes

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

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.

The Solar System; planetary orbits

The orbits of the 8 planets in our Solar System are elliptical.

Types of stars

This animation demonstrates the process of star development for average and massive stars.

Žemės struktūra (tarpinė)

Žemė yra sudaryta iš kelių sferinių sluoksnių.

Ancient Egyptian deities

Ancient Egyptians worshipped a large number of gods and goddesses.

Elementary particles

Matter is made up by quarks and leptons, while interactions are carried by bosons.

Keplerio planetų judėjimo dėsniai

Trys svarbūs planetų judėjimo dėsniai buvo suformuluoti Johano Keplerio.

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.

Photosynthesis

Plants are capable of converting inorganic substances (carbon dioxide and water) into organic sugar.

Solar eclipse

When the Sun, Earth, and the Moon are arranged in a straight line, the Moon can partially or completely obscure the Sun.

The Earth’s magnetic field

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

The Sun's path above the major circles of latitude

The apparent movement of the Sun is caused by the Earth's rotation around its axis.

Žemės ir Mėnulio susidarymas

Ši animacija demonstruoja kaip susiformavo Žemė ir Mėnulis

Earth

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

How does it work? - Photovoltaic solar panel, solar thermal collector

This animation demonstrates how solar energy can be utilised.

Interesting astronomy facts

This animation presents some interesting facts in the field of astronomy.

Solar power station

Solar power stations convert solar energy into electricity.

Types of waves

Waves play an extremely important role in many areas of our lives.

Comets

Comets are spectacular celestial bodies orbiting the Sun.

Formation of hydrogen molecules

Hydrogen atoms within hydrogen molecules are held together by a covalent bond.

Hablo kosminis teleskopas

Hablo kosminio teleskopo darbas neturi įtakos atmosferai.

How does it work? - Plasma display television

This animation explains how a plasma display television works.

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.

Mars

Possible traces of water and life are sought on Mars.

Mercury

Mercury is innermost and smallest planet of the Solar System.

Neptune

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

Pluto - Charon system

The largest satellite of Pluto is Charon.

Saturn

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

Uranus

Uranus is the 7th planet from the Sun, a gas giant.

Venus

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

Nuclear power plant

Nuclear power plants convert the energy released during nuclear fission into electric power.

The Moon

The Moon is the Earth's only natural satellite

The reflection and refraction of light

A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.

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