Where jets run into surrounding gas in the intergalactic medium, ...

[luvbio]

Where jets run into surrounding gas in the intergalactic medium, ____________ are formed before feeding the lobes.
 
  Fill in the blank(s) with correct word

Question 2

In A.D. 1054, Chinese astronomers observed the appearance of a new star, whose location is now occupied by
 
  a. a globular cluster.
  b. a planetary nebulae.
  c. a white dwarf.
  d. a young massive star.
  e. a supernova remnant.

[macmac]

Answer to Question 1

hot spots

Answer to Question 2

e

[luvbio]

Thanks for the timely response, appreciate it

[AngeliqueG]

Gracias!