« 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 119 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 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

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?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Star-nosed mole Star-nosed mole
The Parallax of a Nearby Object in Space The Parallax of a Nearby Object in Space
Using Parallax to Determine Distance Using Parallax to Determine Distance
Fully Convective Star Fully Convective Star
A Rotating, Magnetized Neutron Star A Rotating, Magnetized Neutron Star
Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ... Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ...
Video: Inflammation

For a complete list of videos, visit our video library