History
Invented the refracting telescope
Who is Hans Lippershey?
In a light wave, the distance from one peak to the next peak
What is the wavelength?
A Light Year
Uses lenses to gather and magnify light
What is a refracting telescope?
After passing through a lens, the point where the rays of light converge
What is the focal point?
First person to obtain the spectrum of sunlight using a prism
Who is Isaac Newton?
The number of times a wave passes a fixed point is space every second
What is the frequency?
Time it takes for light from the Sun to reach Earth
What is 8 minutes?
The most commonly used type of telescope today
What is a reflecting telescope?
Average Sun-Earth distance
What is the Astronomical Unit (AU)?
Person that discovered infrared light
Who is William Herschel?
300,000,000 m/s
What is the speed of light?
Light that we detect as heat
What is infrared?
The largest problem with refracting telescopes
What is chromatic aberration?
The large lens of a refractor telescope used to gather light
What is the objective lens?
Developed the reflecting telescope
Who is Isaac Newton?
Which has a greater wavelength, Gamma Rays or Radio Waves
What are Radio Waves?
When light bends when passing from one medium to another
What is refraction?
The distance from a lens to the point where the light is focused
What is the focal length?
The apparent shift of a star due to changing observing perspective
What is parallax?
Person who first used the telescope as an astronomical instrument?
Who is Galileo?
What has a greater frequency ultraviolet, visible or infrared light
What is ultraviolet light?
A line perpendicular to the surface of a material
What is the normal?
Reason for putting telescopes into space
What is to be above the atmosphere?
Most energetic light, produced in nuclear reactions
What are gamma rays?