« previous next »

Author Question: If Star A is closer to us than Star B, then Star A's parallax angle is ________. A) fewer parsecs ... (Read 195 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
on: Jul 27, 2018
If Star A is closer to us than Star B, then Star A's parallax angle is ________.
 
  A) fewer parsecs than that of Star B B) hotter than that of Star B
  C) smaller than that of Star B D) larger than that of Star B

Question 2

Why do rich clusters of galaxies contain a larger fraction of ellipticals than normal?
 
  What will be an ideal response?


recede

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

In the densest clusters, collisions happen frequently, tearing off the spiral arms and dissipating their material into the intergalactic medium at high temperatures.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Betelgeuse is a semiregular variable star Betelgeuse is a semiregular variable star
Fully Convective Star Fully Convective Star
The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat
Variations in Solar Angle with Latitude Variations in Solar Angle with Latitude
Find the measure of angle L to the nearest degree Find the measure of angle L to the nearest degree
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library