Astronomy 2 Flashcards
Problem with the Hubble?!
Oh shit no that thing cost 7.8 billion dollars
Mirror was polished by 2mm
Fixed with adding lens
P.s the Hubble is the size of a school bus
Space shuttle does what?
Saves MONEY!!!
Service/repair satellites
What’s going to replace the Hubble?
James Webb
James Webb will be placed where?
Into orbit at Lagrange point 2
Hans lippershey aka lippershit
Invented telescope
Telescopes that collect light are?
Reflectors and refractors
Reflecting telescopes
Use curved mirrors
Largest telescope in hawaii called keck
Refracting telescopes
Flips image
Uses lens
Largest one is 200 inches
OWL
Overwhelmingly large telescope
“Tittys”
Challenger
Failed o-rings cause they got to cold
Columbia
Tiles fell off and hit wing
Tiles fell off due to not puttin top layer of paint on upper fuel tank op secure them
IR, UV, and Radio telescopes
Use EM(electromagnetic spectrum)
All big to collect small signals
Largest on found in Puerto Rico
Can be used during day
Another name for kelvin
Absolute zero
UV telescopes have to be placed where?
Outer space past the clouds and can’t be around heat
Gamma ray telescopes are used to watch violent events in the universe such as:
SUPER NOVA!!!
BAM BOOM EXPLOSION
Two different types of satellites?
Natural(moon)
Satellites have to over come_____ to stay in orbit
Gravity
First satellite in space
Sputnik
Country:russia
As satellite moves around the earth in its orbit it’s more like doin what?
Free falling
Name two types of orbit around earth
Overlapping and stationary
Overlapping? Wtf is that?!
Orbit that moves around the earth
Stationary orbit?
Stays over one spot of the planet it orbits
What in the hell does GPS stand for?
Global positioning satellite/system
Background light is?
Light pollution
