« previous next »

Author Question: Active galaxies are having their central engines temporarily fed by what occurrence? A) a sudden ... (Read 14 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
Active galaxies are having their central engines temporarily fed by what occurrence?
 
  A) a sudden surge in star formation in the nucleus
  B) a series of supernovae all occurring in the dense nuclear bulge
  C) a close interaction with a neighboring galaxy
  D) attack by a swarm of globular clusters
  E) the merger of a binary black hole system

Question 2

One hemisphere of Encedalus has a much younger crust than the other, which is heavily cratered.
 
  Indicate whether the statement is true or false


deja

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

The circulatory system plays a central role in thermoregulation by the moth, Manduca sexta The circulatory system plays a central role in thermoregulation by the moth, Manduca sexta
The nervous system is described as having two interconnected divisions: the central nervous system ( The nervous system is described as having two interconnected divisions: the central nervous system (
Creation of Spiral and Elliptical Galaxies Creation of Spiral and Elliptical Galaxies
Communication as active process Communication as active process
The Central Nervous System The Central Nervous System
Active Transport in Vesicles: Receptor-mediated Endocytosis Active Transport in Vesicles: Receptor-mediated Endocytosis
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library