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Stars/Cyans/Quiz

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Cyan stars is a lecture from the radiation astronomy department courses on stars.

This is an optical image in the visual range of Theta Ursae Majoris. It is listed in SIMBAD as an F7V spectral type star with a parallax of 74.19 mas. Credit: Aladin at SIMBAD.

You are free to take this quiz based on cyan stars at any time.

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Quiz

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1 NGC 1679 is a spiral galaxy located two degrees south of Zeta?

2 True or False, Beryllium has an emission line in the cyan.

TRUE
FALSE

3 Soil samples from the mare of the Moon reflect primarily cyan due to the presence in the soils of what?

4 Yes or No, Boron has an emission line in the cyan.

Yes
No

5 Complete the text:

Match up the radiation letter with each of the detector possibilities below:
Optical rays - L
Visual rays - M
Violet rays - N
Blue rays - O
Cyan rays - P
Green rays - Q
Yellow rays - R
Orange rays - S
Red rays - T
multialkali (Na-K-Sb-Cs) photocathode materials

.
F547M

.
F675W

.
broad-band filter centered at 404 nm

.
F588N

.
thallium bromide (TlBr) crystals

.
F606W

.
18 micrometers FWHM at 490 nm

.
wide-gap II-VI semiconductor ZnO doped with Co2+ (Zn1-xCoxO)

.

6 True or False, Hydrogen has an emission line in the cyan.

TRUE
FALSE

7 Complete the text:

Methane possesses prominent

in the visible and near-infrared (IR) making

aquamarine or

in color.

8 Cyanogen is a natural poisonous gas composed of what likely source of cyan?

9

True or False, This is the appearance of the Sun in visual radiation centered in the yellow-green.
File:Visual Sun image.png

Yes
No

10 Helium has emission lines in which of the following colors?

violet
blue
cyan
green
yellow
orange
red


Hypotheses

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Main resource: Hypotheses
  1. Quiz questions about cyan should also include bluish-green, greenish-blue, green-blue, or blue-green.

See also

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{{Radiation astronomy resources}}

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