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

Author Question: If a star were moved 10 times farther away, its apparent magnitude would drop by five magnitudes. ... (Read 61 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jul 27, 2018
If a star were moved 10 times farther away, its apparent magnitude would drop by five magnitudes.
 
  Indicate whether the statement is true or false

Question 2

What is true of spiral galaxies?
 
  A) They are much less common at larger redshifts.
  B) They are relatively rare in regions of high galaxy density.
  C) They are only found in the center of rich galaxy clusters.
  D) They have never been seen to have large redshifts.
  E) They evolve from giant ellipticals.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shoemake

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 27, 2018
Excellent

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Body plan of an echinoderm, as represented by a sea star. Body plan of an echinoderm, as represented by a sea star.
Fred Wilson, Drip Drop Plop. Fred Wilson, Drip Drop Plop.
The throttle plate stayed where it was moved, which indicates that there is a problem with the ... The throttle plate stayed where it was moved, which indicates that there is a problem with the ...
Suicide rates in Canada are more than three times higher for males than for females Suicide rates in Canada are more than three times higher for males than for females
How much atmospheric pressure drop would starting to effect us? How much atmospheric pressure drop would starting to effect us?
Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska. Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska.
Video: Bone Growth and Remodeling

For a complete list of videos, visit our video library