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geography 2090
test 2- lecture 8
21
Astronomy
Undergraduate 2
10/28/2014

Additional Astronomy Flashcards

 


 

Cards

Term
how does GPS work?
Definition
it uses radio signals from a constellation of orbiting satellites to provide accurate location
Term
what is GLONASS?
Definition
russias GPS system
Term
why duplicate GPS?
Definition
other countries know that americans can shut it off because they own it
Term
what can satellites help with?
Definition
monitor natural hazards
environmental inventories
track pollution
Term
how can we map ocean floors?
Definition
mountains under water pull the water in ever so slightly, so satellites can measure the water height
Term
how has space stabilized the cold war?
Definition
being able to monitor the other side and see an attack coming before it happens
Term
what were the first launch vehicles?
Definition
missiles that had been adapted to launch satellites
Term
Strategic Arms Reduction Treaty
Definition
all missiles much be converted into satellite launchers
Term
how does surveillance from space help?
Definition
monitor military movement
incoming ships
illegal immigration
Term
what are the main spy satellites?
Definition
commercial imaging satellites
Term
what makes up the space assets?
Definition
all the surveillance, GPS, communications and weather satellites
Term
What happened to Star wars?
Definition
enormous technical difficulty, and strong opposition
Term
what was star wars? who proposed it?
Definition
Reagan proposed it, it was a system of lasers and sensors in space that would render missiles defenseless
Term
how could star wars have ended the cold war?
Definition
some people believe the Soviet economy collapsed trying to keep up with the development of it
Term
Why might you need guaranteed access to space?
Definition
surveillance systems
deny an enemy the use of air space
Term
famous space culture examples
Definition
david bowie
neil young
Term
What do the UN treaties cover?
Definition
no nuclear weapons
benefit all nations
no person can own the moon
Term
who has sold pieces of the moon?
Definition
Astronomical Society of the Pacific
Term
What company claimed to own the moon?
Definition
The Lunar Embassy
Term
What company wants to return to the moon to start a colony?
Definition
The Lunar republic
Term
Who charged NASA a parking fee?
Definition
Gregory Nemitz claimed to own Eros, and charged NASA when their NEAR spacecraft landed on it
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