This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A__________is an otherwise normal spiral galaxy with an unusually bright, small core that fluctuates ... (Read 16 times)

casperchen82

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
A__________is an otherwise normal spiral galaxy with an unusually bright, small core that fluctuates in brightness.
 
  A) pulsar
  B) blazar
  C) Seyfert galaxy
  D) Markarian galaxy

Question 2

Of all the galaxies, _____ are easiest to notice.
 
  A) elliptical galaxies
  B) spiral galaxies
  C) lenticular galaxies
  D) dwarf spheroidal galaxies


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


casperchen82

  • Member
  • Posts: 540
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

The specialized arrangement of tissues in the small intestine. The specialized arrangement of tissues in the small intestine.
Lestidae is a rather small family of cosmopolitan, large-sized, slender damselflies. They are of the Lestidae is a rather small family of cosmopolitan, large-sized, slender damselflies. They are of the
Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti
Brain metabolism in a schizophrenic individual (left) and a normal individual (right). These scans o Brain metabolism in a schizophrenic individual (left) and a normal individual (right). These scans o
Action of FMRP protein in normal and fragile-X cells Action of FMRP protein in normal and fragile-X cells
MRI scans of normal elderly person compared to one with Alzheimer's MRI scans of normal elderly person compared to one with Alzheimer's
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library