Radiation astronomy/Acoustics/Quiz

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This image is an acoustic profile of castanets. Credit: Acapulco007.

Acoustic radiation astronomy is a lecture on a variety of vibration phenomena. It is a part of the radiation astronomy course on the principles of radiation astronomy.

You are free to take this quiz based on [[Radiation astronomy/Acoustics|acoustic radiation astronomy] at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, and in the {{principles of radiation astronomy}} template. This should give you adequate background to get 100 %.

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Quiz[edit | edit source]


1 Complete the text:

Match up the item letter with each of the X-ray angular resolution possibilities below:
Rossi X-ray Timing Explorer - A
XMM-Newton - B
Chandra X-ray Observatory - C
Swift - D
Astro-rivelatore Gamma ad Imagini Leggero (AGILE) - E
Solar Heliospheric Observatory (SOHO) - F
Suzaku - G
Koronas-Foton - H









2 Complete the text:

The ram orientation is the direction in which the space station is

, and the wake orientation faces the direction


3 Which of the following is not characteristic of a neutrino?

neutrinos are affected by the weak nuclear force
produced by a positron annihilating an electron
a decay product of a neutron
produced by the near surface fusion on the Sun
may have a mass
comes in mutable varieties

4 A device that narrows a beam of particles or waves is a?

5 Complete the text:

The three key parameters of a

waveform are its


and its


6 True or False, The presence of a liquid may be detected by using S-waves.


7 Which of the following are characteristic of a binary formed via gravitational fragmentation?

the local Jeans length
the local speed of sound
the mean molecular weight
the electron neutrino
the mean particle density

8 Which phenomena are associated with the heliosphere?

a region of space where the interstellar medium is blown away by the solar wind
a bubble in space
virtually all the material emanates from the Sun itself
Voyager 2
Voyager 1
the termination shock

9 Which of the following is not a characteristic of outer space?

gaseous pressure much less than atmospheric pressure
similar to a laboratory vacuum
free space
imperfect vacuum
partial vacuum

10 Which of the following is not a theoretical characteristic of space radiation?

interpretation of associated phenomena
a hot bow-wave
a steady rise
forming ahead of the meteor

11 Complete the text:

The standard solar models have enjoyed tremendous success recently in terms of agreement between the predicted

and the results from

but some

of the Sun still defy explanation, such as the degree of


Hypotheses[edit | edit source]

  1. Radiation astronomy satellites may have extended and improved life spans if they could be upgraded and repaired at the International Space Station.

See also[edit | edit source]

External links[edit | edit source]

{{Radiation astronomy resources}}