Plasmas/Ions/Quiz

Plasma ions is a lecture and an article about ions in plasmas from the physics and astronomy departments of the school of physics and astronomy and the school of chemistry.

File:Venus-Express Venus-ionosphere MPS.jpg

The image shows Venus Express data with an artist's impression of the tear-drop shaped ionosphere. Credit: ESA/Wei et al. (2012).

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Quiz

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1 Which of the following is not a phenomenon associated with green astronomy?

	photographs of the planet Venus taken in 1999
	Alpha Centauri A
	ionization cones
	a moderately intense aluminum line at 5593.302 Å
	a xenon emission line at 541.915 nm
	the lithium beta line

2 Yes or No, Some observed properties of the Sun still defy explanation, such as the degree of Li depletion: the solar Li abundance is roughly a factor of 200 below the meteoritic abundance. This has been confirmed using the lithium 555.2 nm line.

	Yes
	No

3 A laboratory solution to the discrepancy between the Spite plateau abundance and the predicted value of the primordial lithium abundance is lithium depletion through?

4 True or False, Boron has an emission line in the yellow.

	TRUE
	FALSE

5 A possible solution to the discrepancy between the Spite plateau abundance and the predicted value of the primordial lithium abundance is lithium depletion through?

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

	TRUE
	FALSE

7 Which of the following are radiation astronomy phenomena usually associated with lithium emission?

	a green emission line
	nucleosynthesis
	an orange line at 610.3 nm
	the Spite plateau
	lithium-drifted silicon detectors
	the Fraunhofer E line
	asymptotic supergiant branch
	an infrared line at 812.6 nm

8 True or False, Lithium has an emission line in the blue.

	TRUE
	FALSE

9 Which of the following is not a phenomenon usually associated with solar wanderers?

	green aurora
	oxygen
	production of 7Be
	carbon or C2
	airglow
	nitrogen
	olivine

10 True or False, Beryllium has an emission line in the blue.

	TRUE
	FALSE

11 Radiation astronomy may help to detect what type of astronomical object?

	a stellar class M dwarf
	the hydrogen Balmer alpha line
	the photosphere of the Sun
	extrasolar planets
	lithium
	the CMB

12 True or False, Of some 824 red giant stars, lithium is detected in several stars.

	TRUE
	FALSE

13 Which of the following is not a phenomenon associated with red astronomy?

	a stellar class M dwarf
	the hydrogen Balmer alpha line
	the photosphere of the Sun
	an emission with a wavelength of 618 nm
	lithium
	"cometary knots"

14 True or False, Lithium has an orange line at about 671 nm.

	TRUE
	FALSE

15 Which of the following is not a phenomenon associated with green astronomy?

	a stellar class G dwarf
	the hydrogen Balmer beta line
	the photosphere of the Sun
	an emission with a wavelength of 618 nm
	"ionization cones"
	boron ion emission

16 True or False, Boron has an emission line in the blue.

	TRUE
	FALSE

17 Phenomena associated with some brown dwarfs are which of the following?

	lithium
	a temperature well below the stellar range
	methane absorption
	the lithium test
	X-rays
	T dwarfs

18 True or False, Beryllium has an emission line in the orange.

	TRUE
	FALSE

19 Infrared astronomy has really helped to detect what type of astronomical object?

	a stellar class G dwarf
	the hydrogen Balmer alpha line
	the photosphere of the Sun
	extrasolar planets
	lithium
	the CMB

20 True or False, Boron has an emission line in the cyan.

	TRUE
	FALSE

21 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 depletion.

22 True or False, Beryllium has an emission line in the yellow.

	TRUE
	FALSE

23 Which of the following is not a characteristic of meteoritic lithium abundance?

	light elements may have been formed by the irradiation of interstellar matter
	closely matches the solar abundance
	not diminished by nucleosynthesis
	not destroyed by nuclear fission reactions
	may have been produced by cosmic-ray spallation

24 Which of the following is not a characteristic of green astronomy?

	boron
	wavelength range of 495-570 nm
	chlorophyll
	greenstones
	phytoplankton

Hypotheses

Main resource: Hypotheses

1. Plasma ions occur primarily above the surface of the Sun.

See also

• Green astronomy quiz
• Planetary science quiz
• Radiation astrochemistry quiz
• Radiation astrogeography quiz
• Radiation astrohistory quiz
• Stellar surface fusion quiz
• Theoretical radiation astronomy quiz

External links

• International Astronomical Union
• NASA/IPAC Extragalactic Database - NED
• NASA's National Space Science Data Center
• The SAO/NASA Astrophysics Data System
• SDSS Quick Look tool: SkyServer
• SIMBAD Astronomical Database
• SIMBAD Web interface, Harvard alternate
• Spacecraft Query at NASA
• Universal coordinate converter

{{Chemistry resources}}{{Physics resources}}{{Radiation astronomy resources}}