Introduction
The space shuttle is a manned and reusable vehicle that carries people back 英语海报模板 and forth between the low earth orbit and the ground. It can take off vertically like a launch vehicle, and land at the airport after returning to the atmosphere like an airplane. The space shuttle consists of an orbiter, an outer tank and a solid booster.
The launch and return of the space shuttle are usually carried out automatically in a predetermined procedure, and can also be controlled by the astronauts themselves. Its routine flight procedure consists of the following steps
Simplified Defination of Space Shuttle
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Basic Structure
The U.S. space shuttle consists of three parts: orbiter, external fuel tank and solid rocket booster
1
development history
So far, only the United States and the former Soviet Union have ever manufactured space shuttles that can enter the low earth orbit, and have actually successfully launched and recovered them. The United States is the only country that has 
successfully carried out manned missions with space shuttles.
Typical model
All U.S. space shuttles are made by Rockwell, each named after a ship with scientific and exploratory influence. [6]
Figure 2: development history
Enterprise number
Columbia (OV-102)
Challenger (ov-099)
Discovery number (OV-103)
Atlantis (ov-104)
Endeavour (ov-105)
Soviet space shuttle Blizzard
Launch and return
Summary
The space shuttle provides a good tool for human beings to enter and leave space freely, and it is an important milestone in the history of space flight. It was first developed by the United States. famous space shuttles include Columbia, challenger, discovery, Atlantis and endeavour of the United States, and blizzard of the former Soviet Union.
Similar plans developed by other countries have not yet recorded actual launch and orbit.
Figure 1: Space Shuttle
Figure 5:
Typical model.
Figure 3: Basic Structure
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