Sgr A* Is Believed to Be the Center of the Milky

question 14

Multiple Choice

Sgr A* is believed to be the center of the Milky Way galaxy because
I. It lies in the general direction of the center of the galaxy based on observations of globular clusters in the plane of the Milky Way.
II. Long wavelength dust penetrating images show it to be a region crowded with stars
III. Orbits of stars around it indicate a mass several million times that of the Sun within a volume a few light hours in size
IV. Radio observations show it is a concentrated source at the center of swirling clouds of gas

• A) I II only
• B) II III only
• C) I, IV only
• D) II IV only
• E) All of I, II, III, IV

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Definitions:

Manual Selector Linkage

The mechanical connection that enables the driver to select gears manually in a vehicle, often connected to the transmission.

Transmission Fluid

A lubricant used in the transmission system of a vehicle to cool and protect the moving components.

Gasket Sealing Compound

A substance applied to gaskets in order to enhance their sealing capabilities, preventing leaks between component interfaces.

Converter-Out Oil Temperature

The temperature of the oil exiting the torque converter in an automatic transmission, important for monitoring transmission health.