benefits of space research and exploration Flashcards
name two benefits to space exploration
- learn about the universe
- national pride
name 5 indirect benefits to space exploration
- communication
- tracking device
- robotic technology
- imaging
- consumer goods
what is communication?
artificial satellite in space allows radio, television, telephone and Internet signals to be transmitted over space
what is artificial satellite?
a device placed in orbit by humans around earth or another celestial object
what is tracking device?
gps also uses satellites to track objects on earth
what is robotic technology?
canadarm is being tested for adaption to perform robotic surgery on patients
what is imaging?
shows overhead image of earth, which can be used to track air quality, weather or environmental changes over time
what are consumer goods?
dehydrated food, fire resistant fabrics, memory foam, infrared thermometer are some space technologies applied to consumer goods
name 3 costs to space exploration?
- space junk
- human cost
- very expensive
what is space junk?
pieces fall off from satellite, telescope, space shuttle and rockets
what is human cost?
astronauts lost / microgravity can cause health problems
name 4 problems that microgravity can cause
- weakens heart
- reduced muscle mass
- reduced bone mass
- low red blood cell count
how much did the USA spend on NASA in 2009?
17 billion
what are 3 issues of space exploration?
- political
- ethical
- environmental
give an example of a political issue
who owns space?
