The Hubble Space Telescope orbits outside the distorting influence of Earth´s atmosphere.
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.
A spacecraft on its path is in a constant state of free fall.
Neil Armstrong, one of the crew members of Apollo 11 was the first man to set foot on the Moon.
Satellites orbiting the Earth can be used for civilian or military purposes.
The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.
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.
The three important laws describing planetary motion were formulated by Johannes Kepler.
The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.
The Global Positioning System consists of 24 satellites but only 4 have to be visible for positioning.
The Soviet-made satellite was the first spacecraft to be launched into outer space (in October 1957).
Studying Ceres and Vesta will help us learn more about the early history of the Solar System and how rocky planets are formed.
This animation introduces the studies of astronomers and physicists whose works fundamentally changed our view of the universe.
The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.
Space probes and Mars rovers examine the structure of Mars and possible traces of life.
Observatories are often built at high elevations to minimise the effects of atmospheric turbulence
This animation demonstrates the states and largest cities of the USA.
Yuri Gagarin became the first human in space on 12 April 1961.
The animation shows the two-seater Lunar Rover used in the Apollo 15 mission
Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.