The hot spots in double-lobed radio source

The hot spots in double-lobed radio source

a. appear to coincide with the location of the central galaxy responsible for the jets.
b. are where hot excited gas interacts with the intergalactic medium.
c. are only found near quasars.
d. produce enough visible energy to be imaged at visible wavelengths.
e. are always perpendicular to each other.

Question 2

The largest volcano found on one of the terrestrial planets is ____________________.

Fill in the blank(s) with correct word

Question 3

In the double-exhaust model, the radio lobes of a radio galaxy are inflated by

a. jets of excited gas flowing from the central galaxy.
b. jets of high energy sound waves flowing from the central galaxy.
c. a disk of ionized material that orbits very near a supermassive black hole.
d. dark clouds of very cold gas and dust.
e. none of the above

Question 4

____________________ is the molecule most responsible for the greenhouse effect on Venus and Earth.

Fill in the blank(s) with correct word

Question 5

All ____ galaxies are spiral galaxies that have small luminous nuclei.

a. active
b. radio
c. Seyfert
d. double-lobed radio
e. blazar

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The hot spots in double-lobed radio source

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