Universe Galaxies - Questions & Answers | Exam2Win

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6. Normal galaxies are

A. uniformly bright

B. bright at the centre and dim at the edges

C. bright at the edges and dim at the centre

D. bright at the one edge and dim at the other edge

Explanation:

7. The galaxy Andromeda or Milky Way is an example of

A. elliptical galaxy

B. radio galaxy

C. spiral galaxy

D. irregular galaxy

Explanation:

8. When the light from galaxies are observed through a spectrograph

A. Fraunhofer lines are observed

B. there is no shift in the wavelength

C. there is a shift towards shorter wavelength

D. there is a shift towards longer wavelength

Explanation:

9. The amount of radio frequency radiation emitted by normal galaxies is

A. large

B. zero

C. very large

D. small

Explanation:

10. In a radio galaxy, radio frequency radiation comes from

A. the galaxy itself

B. the centre of the galaxy

C. two regions on either side of the galaxy

D. two regions within the galaxy

Explanation:

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