An example of the universe's large-scale filamentary structure is ...

[Pineapplelove6]

An example of the universe's large-scale filamentary structure is the ________.
 
  Fill in the blank(s) with correct word

Question 2

Where are the X-rays produced that are emitted by quasars and other active galactic nuclei?
 
  A) in the hot gas in an accretion disk around a central black hole
  B) in dust grains in molecular clouds that encircle the active galactic nucleus
  C) in an ionization nebulae of interstellar gas surrounding the accretion disk
  D) in fast-moving jets of electrons that are ejected from the active galactic nucleus
  E) all of the above

[honnalora]

Answer to Question 1

Great Wall

Answer to Question 2

A

[Pineapplelove6]

Gracias!

[daiying98]

Thanks for the timely response, appreciate it