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The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.
planets, Solar System, inner planets, outer planets, rocky planet, gas planet, Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, red supergiant, axis of rotation, astronomy, geography
The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.
The orbits of the 8 planets in our Solar System are elliptical.
The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.
Jupiter is the largest planet of the Solar System, it has two and a half times the mass of all the other planets combined.
The three important laws describing planetary motion were formulated by Johannes Kepler.
Possible traces of water and life are sought on Mars.
Mercury is innermost and smallest planet of the Solar System.
The diameter of our galaxy is about 100,000 light years; it contains more than 100 billion stars, one of which is our Sun.
A demonstration of nearby planets, stars and galaxies.
Saturn is the second largest planet in the Solar System, easily recognisable by its rings.
The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.
The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.
Uranus is the 7th planet from the Sun, a gas giant.
Venus is the 2nd planet from the Sun, the brightest object on the night sky (after the Moon).
The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.
Comets are spectacular celestial bodies orbiting the Sun.
The Hubble Space Telescope orbits outside the distorting influence of Earth´s atmosphere.
Neptune is the outermost planet of the Solar System, the smallest of the giant planets
The largest satellite of Pluto is Charon.
When the Sun, Earth, and the Moon are arranged in a straight line, the Moon can partially or completely obscure the Sun.
The Cassini spacecraft was exploring Saturn and its moons for nearly 20 years.
Studying Ceres and Vesta will help us learn more about the early history of the Solar System and how rocky planets are formed.
The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting other stars
Space probes and Mars rovers examine the structure of Mars and possible traces of life.
The Space Shuttle was a manned, reusable spacecraft operated by NASA.
The Soviet-made satellite was the first spacecraft to be launched into outer space (in October 1957).
The apparent movement of the Sun is caused by the Earth's rotation around its axis.
This animation demonstrates the process of star development for average and massive stars.
A spacecraft on its path is in a constant state of free fall.
This animation presents some interesting facts in the field of astronomy.
The International Space Station is a habitable satellite built with the cooperation of 16 countries.
Satellites orbiting the Earth can be used for civilian or military purposes.
The Earth is composed of several spherical layers.