SPACE EXPLORATION
DEVELOPMENT IN ASTRONOMY 1.Constellations - China, Egypt, Greece and Middle East 2.Calendars – Egyptians. 3.Earth is sphere – Aristotle 4.Sun is the centre of solar system – Nicalaus Copernicus from Poland. 5.First telescope 1608 – Hans Lippershey 6.Galileo Galilei – discover the surface of moon via telescope 7.Hubble Space Telescope – most famous orbiting space telescope.
Development in space exploration Sputnik 1
Artificial satellite by Russian 1957
Space flight (Vostok 1)
Yuri Gagarin (Rusian) 1961
First landed on moon (Apollo II) Voyagers International space station
1969 – Neil Amstrong, Edwin Aldrin, Michael Collins 1977 tour of outer solar system Voyager 1 the most distance 1998 – carry out researches.
SATELLITES: a.Designed for: a. Communications – enhance TV and radio broadcasting b. Weather forecasting c. Military purpose/security d. Remote sensing – to study the earth and its environment e. Disaster management
The GPS satellite system