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1
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communication
|
space exploration
|
Clear and strict communication protocols are essential for space missions because of the complex environment.
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2
|
|
2
|
oxygen
|
space exploration
|
Oxygen is essential for life support in space missions.
|
2
|
|
3
|
international space station
|
Space exploration
|
The International Space Station is a multi-country collaborative project in the culture of space exploration.
|
1
|
|
4
|
monomethylhydrazine
|
Space exploration
|
Monomethylhydrazine is a commonly used rocket propellant in space exploration and satellite propulsion systems.
|
1
|
|
5
|
space debris
|
Space exploration
|
Space debris poses serious risks to satellites and spacecraft in the culture of space exploration.
|
1
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