Space Exploration History The exploration of

Space Exploration {

History: The exploration of space began , with the launch of the first artificial satellite, Sputnik 1, in 1957. Globally, 43 countries now have their own observing or communication satellites in Earth orbit.

Soviet cosmonaut Yuri Gagarin became the first human in space in 1961. On July 20, 1969, Astronaut Neil Armstrong took “a giant step for mankind” as he stepped onto the moon.

Manned missions to space impose a huge amount of risk on the astronauts who travel to space.

The cost of space exploration is too much. Space exploration involves both astronomy and space technology. It requires a huge amount of money to be spent on the journey to space.

Too much expensive. In 1990 s us spent about $100 billions on the Apollo Moon Program. This money could provide a year of health care for 1, 65, 000 people or Electricity for 8, 30, 000 homes or Build 2200 housing units.

Кidney dialysis and the new artificial heart Image processing used in CAT scanners and MRI technology Infrared handheld used cameras

Future prospects Scientists are focused on four projects that will fundamentally change our world: Preservation of human life; Discovery of new knowledge about the origin of the universe; Flights with the speed of sound; Prevention of the end of the world.

In addition, many ambitious projects are being postponed: - LISA (Laser Interferometer Space Antenna); - Athena (Advanced Telescope for High-Energy Astrophysics); - WFIRST.

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