Plasmas/Plasma objects/Astronomy/Quiz

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This is a color composite image of NGC 7662. Credit: Judy Schmidt.

Plasma-object astronomy is a lecture and an article studying astronomical objects consisting of plasma totally or in some portion.

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Quiz

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1. Which of the following are green radiation astronomy phenomena associated with the Sun?

the color of the upper rim as seen from Earth
an excess brightness at or near the edge of the Sun
the iron XIV green line
neutron emission
polar coronal holes
meteor emission
changes in the line-blanketing

2. When ionization cones are present, what green characteristics are usually readily observed?

O III green emission line
green continua
biconical structure
a common cone axis and apex
ionized gas
neon clouds

3. Complete the text:

Blue jets differ from sprites in that they project from the of the cumulonimbus above a , typically in a narrow cone, to the lowest levels of the .

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Development status: this resource is experimental in nature.
Educational level: this is a research resource.
Resource type: this resource is a quiz.
Subject classification: this is an astronomy resource.
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