If the Central Engine of a Double-Lobed Radio Source Is

question 10

Multiple Choice

If the central engine of a double-lobed radio source is a black hole swallowing matter from an accretion disk, where do the jets of matter come from that are observed traveling outward from the galaxy?

• A) The jets are accelerated near the rotating black hole and ejected outward in the black hole's equatorial plane.
• B) The jets are composed of material that has been accelerated from two hemispheres toward the black hole with such speed that it escapes again on two opposite sides of the black hole.
• C) The jets arise in the weak galactic magnetic field, not in the region near the black hole.
• D) The jets are squirted out by high pressure in the accretion disk before the matter reaches the black hole.

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Definitions:

Fetus's Lungs

The developing respiratory organs in a fetus, which undergo significant growth and maturation during pregnancy to prepare for air breathing after birth.

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The process of inhaling oxygen and exhaling carbon dioxide, essential for life in most organisms.

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Early stages in embryonic development during which the limbs begin to form and differentiate from the main body.

Leg Buds

Early embryonic structures that eventually develop into the legs in various animals, including humans.