The Short,narrow Circular Arcs of Light That Seem to Surround

question 43

Multiple Choice

The short,narrow circular arcs of light that seem to surround some galaxies are caused by

• A) supernova explosions within the galaxies,the arcs representing parts of the shells of gas exploded outward by the supernova.
• B) gravitational lensing by the galaxies of the light from a single,distant object very far behind the galaxy.
• C) the shaping of regions of dense matter as it is attracted and condensed into the central black hole of the galaxies.
• D) blue gas clouds surrounding the galaxies.

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Definitions:

Whigs

A political party active in the 19th century in the United States, which advocated for federal government support for economic development and opposed Andrew Jackson's policies.

Majority Party

The political party that holds the most seats in a legislative body, giving it the power to control the agenda and make key decisions.

Populist

Relating to or characterized by political approaches that strive to appeal to ordinary people who feel that their concerns are disregarded by established elite groups.

Whig

A historical political party in the United States, active in the mid-19th century, that supported business, a national bank, and a strong federal government.