Space Exploration 4 Flashcards
1
Q
What are some of the dangers in space?
A
Solar radiation, equipment malfunction, floating debris and meteoroids.
2
Q
Define space junk
A
Pieces of debris from rockets, satellites, space shuttles and space stations floating in space.
3
Q
Define solar sail
A
A reflective surface meant to use the solar radiation to propel a spacecraft
4
Q
Define Ion drive
A
A form of electric propulsion for spacecraft using Xenon gas
5
Q
Define space probe
A
A spacecraft that travels though space to collect data and research
6
Q
Define space station
A
A large artificial satellite used as a long-term living space for astronauts to operate in space.
7
Q
Pros and cons of space research
A
CONS: Failure is common, travel is hazardous, health risks
PROS: New technology, improved knowledge of the universe
