FACTS ABOUT SPACE PART -2 (MOON JOURNEY)
ROCKETS:
Rockets carry satellites and people into space. A rocket burns fuel to produce a jet gas.the hot gas expands rapidly and is blasted downwards causing force to push the rocket up.
Birth of the rocket:
The first liquid fulled rocket was launched in 1962 by an american, Robert Goddard.it reached 12.5m(41 ft). the flight lasted 2.5 seconds.
First in space:
The first person in space was the Russian cosmonaut, Yuri Gagarin. he was sent up in Vostok 1 on April 12, 1961 for a 108-minute flight.
Biggest and Best:
The saturn V were the largest, and most powerful, rockets ever built. they were used 13 times, between 1968 and 1972, including for the first moon landing.
Types of rockets:
1. Reusable space shuttles: carry people to and from the space station.
2. saturn V: the larget rocket ever built. they were used to launch all the moon landings.
3. Fire work rockets: are used for celebrations
4. Military rockets: have been used for hundreds of years
5. Experimental rockets: provide information about fast and high flight.
MOON JOURNEY:
During the 1960s there was a race between the USA and the former soviet union to put a man on the moon. the USA landed the first man on the moon with Apollo 11 in 1969.
Apollo 11 was made up of three modules, or parts, the tiny command module, the service module, and the lunar module.
The journey has taken 102 hours ,45 minutes. the lunar module is ready to land.
The command and service modules orbit the moon(one astronaut remains on board) while the lunar module lands.two astronauts walk on the moon.
The lunar module was also known as the Eagle .it touched down on the surface of moon on 20 july,1969.
MEN ON THE MOON:
On 20 July 1969, Neil Armstrong became the first person to walk on the surface of the moon. he was joined by Buzz Aldrin. A third astronaut, Mike Collins, remained in orbit with the command and service modules.
What did they do?
Arm Strong and Aldrin spent almost 22 hours on the moon.about 2.5 hours of this was spent outside the Eagle, collecting rock and soil samples,setting up experiments, and taking pictures.
What was it like?
Buzz Aldrin described the moon's surface as like nothing on earth. he said it consisted of a fine, talcum-powder-like dust, strewn with pebbles and rocks.
Splash down:
The astronauts returned to earth in the Apollo 11 command module. this fell through the atmosphere and landed in the pacific ocean.
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