Video from space - level 3
In the time it takes footballers to play one match, an astronaut in the International Space Station can circle planet Earth completely.
During a 90-minute period, astronauts can pass from daytime to nighttime and back again.
This time-lapse video taken by European Space Agency astronaut Alexander Gerst shows the view from space in under one minute.
With each orbit, the station moves around 2,200 km to the west in relation to 90 minutes before.
Gerst set the camera to take an image every few seconds and then played the images back quickly to create the time-lapse effect.
He worked as geophysicist and volcanologist before he was chosen as an ESA astronaut in 2009.
Difficult words: orbit (repeated elliptical course of a satellite), geophysicist (person who studies the Earth and the space around it), volcanologist (person who studies volcanoes), ESA (European Space Agency).
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