Author Question: Mercury is more than 60 percent denser than the Moon. a. True b. False Indicate whether the ... (Read 81 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?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

For a complete list of videos, visit our video library