Andrea, Scott, and Martín
Infrared is a certain region in the light spectrum
Ranges from .7µ to 1000µ or .1mm
Broken into near, mid, and far infrared
One step up on the light spectrum from visible light
Measure of heat
Infrared telescopes work much like visible light telescopes
Light hits parabolic mirror
Light is sent to focal point
Light is recorded by computer and translated into visible light
Thirty years ago images were created by crude temperature readings and simple recording devices
In 1980’s the military dedicated the first large sum of money towards infrared advancement (high background infrared)
Recently scientists have changed the technology to focus on lower background heat and high sensitivity to fit the applications needed for astronomy
99% of infrared rays are absorbed by water in our atmosphere
The use of airplanes, weather balloons, and space bound telescopes help to solve these problems
Everything in the universe above absolute zero radiates heat (infrared)
This means the heat from the telescope may interfere with data
Everything is cooled to almost absolute 0
Infrared telescopes allow astronomers to gain information about regions in space that might otherwise remain invisible.
Cool states of matter
Regions obscured by clouds of dust or gas particles
Most solid bodies in space vary in temperature from 3 Kelvin’s to 1500 Kelvin's.
This means that extremely cool objects undetectable to the human eye can be studied using infrared telescopes.
These can include…