Stars/Galaxies/Quiz - Wikiversity

Galaxies is a lecture studying a specific type of astronomical objects. It is also a mini-lecture for a quiz section as part of the radiation astronomy course on the principles of radiation astronomy.

You are free to take this quiz based on galaxies 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 {{stars resources}} template. This should give you adequate background to get 100 %.

As a "learning by doing" resource, this quiz helps you to assess your knowledge and understanding of the information, and it is a quiz you may take over and over as a learning resource to improve your knowledge, understanding, test-taking skills, and your score.

Suggestion: Have the lecture available in a separate window.

To master the information and use only your memory while taking the quiz, try rewriting the information from more familiar points of view, or be creative with association.

Enjoy learning by doing!

Quiz

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Hypotheses

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Galaxies are primarily a product of the galactic magnetic field.

External links

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Learn more about Galaxies

	one-fold - ⊙
	two-fold - ⊖
	three-fold - ▲
	four-fold - ◈
	five-fold - ✪
	six-fold - ✱

	Jupiter
	the solar wind
	the diffuse X-ray background
	Mount Redoubt in Alaska
	the asteroid belt
	an active galactic nucleus

	the Moon is closer to the Earth than the Sun
	the planet Mercury is nearer to the Earth than Venus
	any cumulus cloud overhead follows the Sun across the sky
	the plane of the Earth's orbit around the Sun is in the plane of the galaxy
	the surface of the photosphere of the Sun is hotter than the surface of Mars
	lightning always precedes rain

	spiral arms
	a spheroidal shape
	may appear lenticular
	is irregular
	arms of younger stars
	may contain star clusters
	dust lanes

	spiral arms
	a spheroidal shape
	a standard to differentiate dwarf galaxies
	often referred to as the Galaxy
	arms of younger stars
	contains star clusters
	dust lanes
	extended red emission (ERE)
	a faint galaxy heavy with dark matter may orbit it
	larger than the Andromeda galaxy

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