astronomical telescopes and instruments
DESCRIPTION
Astronomical Telescopes and Instruments. Corresponds to Ch 4 in book Astro by Seeds Prepared by: Julissa Garcia , Aramik Yousefian Hagop Hadjinian , Tatevik Grigoryan Activity director: Lilit Haroyan Faculty Advisor: Richard Rains. START. EXIT. - PowerPoint PPT PresentationTRANSCRIPT
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Astronomical Telescopes and Instruments
START EXIT
Funded by Title V HIS Grant at LAMC and U.S Department of Education
Corresponds to Ch 4in book Astro by Seeds
Prepared by: Julissa Garcia, Aramik Yousefian
Hagop Hadjinian, Tatevik Grigoryan
Activity director:Lilit Haroyan
Faculty Advisor:Richard Rains
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1. If a telescope has a large Aperture…
HINT
There is less light
There is less diffraction None of the Above
It has no power to resolve detail
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HINT
There is less light
There is less diffraction None of the Above
It has no power to resolve detailCorrect!
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1. If a telescope has a large Aperture…
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1. If a telescope has a large Aperture…
IncorrectThe larger the Aperture the less the diffraction (when images are hard to see).
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HINT
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It lessens the difficulty to see
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2. What does a Refracting telescope use?
HINT
Glass lens
Computer Rainbows
Mirror
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HINT
Glass lens
Computer Rainbows
Mirror
Correct!next
2. What does a Refracting telescope use?
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2. What does a Refracting telescope use?
HINT
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IncorrectRemember Mirror Lens Reflect (reflecting telescope), whereas Glass Lens are Refracting telescope.
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Galileo had a refracting telescope
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3. According to the Spectrum of Visible Light…
HINT
Violet has long wavelengths
Yellow has short wavelengths
Pink has the strongest wavelengths
Red has long wavelengths
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HINT
Violet has long wavelengths
Yellow has short wavelengths
Pink has the strongest wavelengths
Red has long wavelengths
Correct!next
3. According to the Spectrum of Visible Light…
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3. According to the Spectrum of Visible Light…
IncorrectRed has longer wavelengths than blue, which are short.
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HINT
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This is the color of tomatoes
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4. A Photon is a:
HINT
A Photographic camera
A Particle of light A red wavelength
A sub particle of fungi
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HINT
A Photographic camera
A Particle of light A red wavelength
A sub particle of fungi
Correct!next
4. A Photon is a:
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Incorrect Photons are particles of light that we cannot see but move through light.
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4. A Photon is a:
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Photons are passing through you right now through the computer screen
back
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5. VLA stands for what?
HINT
Very Large Array
Violet Length Array Radio Images of the Sky
Vegetarians Love Asparagus
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HINT
Very Large Array
Violet Length Array Radio Images of the Sky
Vegetarians Love AsparagusCorrect!
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5. VLA stands for what?
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Incorrect Very Large Arrays look like huge Dish satellites with antennas.
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5. VLA stands for what?
HINT
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It is a very large dish…
back
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6. According to the Electromagnetic Spectrum:
HINT
Gamma Rays are the strongest
X-Rays are the weakest None of the above
Radio waves are strongest
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HINT
Gamma Rays are the strongest
X-Rays are the weakest None of the above
Radio waves are strongest
Correct!next
6. According to the Electromagnetic Spectrum:
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Incorrect Gamma rays are deadly, followed by x-rays and other weaker forms of waves are microwave and radio (weakest).
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6. According to the Electromagnetic Spectrum:
HINT
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They appear in the right side of the spectrum…
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7. UV wavelengths…
HINT
Are Long wavelengths
Are short wavelengths All wavelengths
Has No wavelengths
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HINT
Are Long wavelengths
Are short wavelengths All wavelengths
Has No wavelengths
Correct!next
7. UV wavelengths…
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Incorrect In the spectrum everything on the left is longer wavelengths, and everything on the right has shorter wavelengths, the UV rays are in middle left.
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7. UV wavelengths…
HINT
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They are next to visual lights on the left side of the spectrum.
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8. VLBI stands for what?
HINT
Very Large Batman Ice
Very Large Base Infrared None of the above
Very Large Base interferometer
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HINT
Very Large Batman Ice
Very Large Base Infrared None of the above
Very Large Base interferometerCorrect!
next
8. VLBI stands for what?
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8. VLBI stands for what?
HINT
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Incorrect VLBI’s use Interferometry in radio arrays to get images and information from space.
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It uses interferometry…
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HINT
The study of celestial objects through radio
The study of astronomy through stars None of the above
The study of volcanic activity
9. Radio astronomy is…
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HINT
The study of celestial objects through radio
The study of astronomy through stars None of the above
The study of volcanic activity
Correct!next
9. Radio astronomy is…
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9. Radio astronomy is…
HINT
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IncorrectRadio includes all aspects of space discovery through radio.
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Astronomy is the study of the universe…radio implies…
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10. Chromatic aberration is seen in which type of telescope?
HINT
Reflecting telescopes
Radio telescopes Galileo’s telescope
Refracting telescopes
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HINT
Reflecting telescopes
Radio telescopes Galileo’s telescope
Refracting telescopes
10. Chromatic aberration is seen in which type of telescope?
Correct!next
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10. Chromatic aberration is seen in which type of telescope?
IncorrectChromatic aberration is when the colors get a “smudged” look.
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HINT
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These are telescopes with glass lens
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