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Solar System 1
Term | Definition |
---|---|
He discovered the force of gravity | Isaac Newton |
He proposed a Sun-centred system | Copernicus |
It moves in an anti-clockwise direction and takes 28 days to orbit the Earth | Moon |
It causes the four seasons | Revolution |
It causes day and night | Rotation |
It rises every six hours. They are caused by the gravitational pull of the Moon. | Tides |
Representing the Earth in 3D | Globe |
Representing the Earth in 2D | Maps |
It shows the main features of a landscape (deserts, mountains, rivers and lakes) | Physical map |
It shows man-made features, such as cities, roads and borders | Political map |
It is a book that contains lots of maps | Atlas |
The lines of latitude, horizontal lines | parallels |
The vertical lines, lines of longitude | Meridians |
0º degrees latitude | Equator |
0º degrees longitude | Greenwich Meridian |
Study the Solar System | Astronomers |
It is the most famous example of a reflecting telescope | Hubble Space Telescope |
The first dog in space | Laika |
first person into space to orbit the Earth in 1961 | Yuri Gagarin |