This topic contains a solution. Click here to go to the answer

Author Question: A__________is an otherwise normal spiral galaxy with an unusually bright, small core that fluctuates ... (Read 13 times)

casperchen82

  • Hero Member
  • *****
  • Posts: 540
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
Answer to Question 1

C

Answer to Question 2

B




casperchen82

  • Member
  • Posts: 540
Reply 2 on: Jul 27, 2018
Wow, this really help


strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

For a complete list of videos, visit our video library