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

Author Question: What do we mean when we say that the Sun is in gravitational equilibrium? A) The Sun always has ... (Read 15 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Jul 27, 2018
What do we mean when we say that the Sun is in gravitational equilibrium?
 
  A) The Sun always has the same amount of mass, creating the same gravitational force.
  B) The Sun maintains a steady temperature.
  C) The hydrogen gas in the Sun is balanced so that it never rises upward or falls downward.
  D) There is a balance within the Sun between the outward push of pressure and the inward pull of gravity.

Question 2

Which of the following statements best summarizes current evidence concerning dark matter in individual galaxies and in clusters of galaxies?
 
  A) Within individual galaxies, dark matter is always concentrated near the galactic center, and within clusters it is always concentrated near the cluster center.
  B) Dark matter is present in individual galaxies, but there is no evidence that it can exist between the galaxies in a cluster.
  C) Dark matter is present between galaxies in clusters, but not within individual galaxies.
  D) Dark matter is the dominant form of mass in both clusters and in individual galaxies.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


big1devin

  • Member
  • Posts: 583
Reply 2 on: Jul 27, 2018
Excellent

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

A comparison of gradualism and punctuated equilibrium. A comparison of gradualism and punctuated equilibrium.
What is the value of the equilibrium constant, K, at 25°C for the reaction? What is the value of the equilibrium constant, K, at 25°C for the reaction?
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Write the acidic equilibrium equation for HC₆H₅O. Write the acidic equilibrium equation for HC₆H₅O.
Video: Embryonic development - Week 4

For a complete list of videos, visit our video library