SpacetelescopenotesICS16HER



= SpacetelescopenotesICS16HER = [| Edit] [| 7] [|…]   Comparing [|ICS16HER] Dec 1, 2015 9:22 am to  [|ICS16HER] Dec 2, 2015 10:23 am

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 * Energy- Energy, according to physics, is mass that can be transferred to other objects, but can not be created or destroyed.


 * Radiation- the transmission of energy in the form of waves trough space.


 * Wavelengths- the distance between the crest of a wave.


 * Reflect- to throw back heat or light without absorbing it.


 * Refract- to make a ray of light change angles.


 * Absorb- to soak up chemically or physically.


 * 1) The electromagnetic spectrum is made up of only visible light.
 * 2) Microwaves are used to communicate with satellites because they can pass through parts of our atmosphere
 * 3) Mechanical waves such as sound cannot travel through space
 * 4) Waves in the electromagnetic spectrum with long wavelengths have the most energy
 * 5) Because we knowing how fast light travels and how it is reflected, we can use this information to figure out how far away objects are.
 * 6) Different types (wavelengths) of light are refracted (bent) differently.
 * 7) EXTRA CREDIT Using question 6: Why do you think this would be a problem when making a telescope using lenses?
 * 8) Even though we can’t see it with our eyes, cooler objects such as planets and people emit infrared waves that can be studied with special instruments.
 * 9) Ultraviolet light from space is easily researched using ground telescopes.
 * 10) A star that emits mostly yellow visible light is hotter than a red star.
 * 11) Absorption lines in the visible spectra and patterns of reluctance can be used to tell us what distant objects like stars and planets are made of.

1. False. There are 8 different types of light in the electromagnetic spectrum. From weakest wavelength to strongest those are Radio, Microwave, infrared, visible light, ultraviolet, x-ray, and gamma rays.

2. True. Microwaves are the second smallest in the electromagnetic spectrum.

3. True. You can not hear anything in space because our ears are not sensitive enough.

4. False. Gamma rays have the most energy in the spectrum because they are so compressed.

5. True. Light has a set distance so we can use it to measure.

6. True. Weaker wavelengths bend more.

7. this would be a problem because the lenses would have to be in a perfect positio.

8. True. Infrared googles would help.

9. False. Only UV telescopes could see UV light.

10. True. Yellow stars have higher UV rays

11. False. These properties can not see what planets are made of.