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Home Q & A Board Science-Related Homework Help Physics Astronomy
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anja@phs.ae anja@phs.ae
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6 years ago
What produces the lobes in double-lobed radio galaxies?
 
  a. an accretion disk
 b. a starburst event
 c. black-hole jets
 d. synchrotron radiation
  e. high redshifts

Question 2

The photons coming from an excited gas create a(n) ____ spectrum.
 
  a. absorption
  b. emission
 c. continuous
  d. Doppler
 e. ionization

Question 3

Seyfert galaxies____.
 
  a. often have unique shapes spectra suggesting fast-moving, hot gas
  b. have no gas and dust in their spiral arms
 c. are associated with pairs of radio sources
 d. have visible jets of matter coming from their cores
 e. are always isolated galaxies

Question 4

The photons coming from blackbody radiation create a(n) ____ spectrum.
 
  a. absorption
  b. emission
 c. Doppler
 d. continuous
  e. ionization
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joehendyjoehendy
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6 years ago
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anja@phs.ae Author
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#2
6 years ago
Dude, you're awesome. I wish I had you as my teacher!
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#3
6 years ago
Come to the forum always, I'll be around to assist you again
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