SPACE EXPLORATIONSPACE EXPLORATION

DEVELOPMENT IN ASTRONOMY

1.Constellations - China, Egypt, Greece and Middle East2.Calendars – Egyptians.3.Earth is sphere – Aristotle4.Sun is the centre of solar system – Nicalaus Copernicus from Poland.5.First telescope 1608 – Hans Lippershey6.Galileo Galilei – discover the surface of moon via telescope7.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)

1969 – Neil Amstrong, Edwin Aldrin, Michael Collins

Voyagers 1977 tour of outer solar system Voyager 1 the most distance

International space station

1998 – carry out researches.

SATELLITES:

a.Designed for:

a. Communications – enhance TV and radio broadcasting

b. Weather forecastingc. Military purpose/securityd. Remote sensing – to study the

earth and its environmente. Disaster management

The GPS satellite system