Author Question: Mercury is more than 60 percent denser than the Moon. a. True b. False Indicate whether the ... (Read 52 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
Mercury is more than 60 percent denser than the Moon.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Why are massive stars more luminous than low mass stars? That is, why is there a mass-luminosity relation?
 
  What will be an ideal response?



mtmmmmmk

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

True

Answer to Question 2

The mass-luminosity relation exists because stars must support their weight be generating energy. Stars support their weight by generating more energy, and more massive stars have more weight to support.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

For a complete list of videos, visit our video library