« previous next »

Author Question: Mercury is more than 60 percent denser than the Moon. a. True b. False Indicate whether the ... (Read 71 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

For linked genes, recombinant frequencies are less than 50 percent For linked genes, recombinant frequencies are less than 50 percent
Major Impacts on Mercury and on Our Moon Major Impacts on Mercury and on Our Moon
Fraternal twins share about 50 percent of their segregating genes. Fraternal twins share about 50 percent of their segregating genes.
(A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ... (A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ...
True Dover Sole True Dover Sole
Midsagittal section indicating locations of true and false pelves Midsagittal section indicating locations of true and false pelves
Video: Chloroplast Structure & Light Dependent Reactions (Photosystem 1 and 2 Cyclic Electron Flow)

For a complete list of videos, visit our video library