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

Author Question: How does a star's luminosity relate to its radius and surface temperature? What will be an ideal ... (Read 69 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
How does a star's luminosity relate to its radius and surface temperature?
 
  What will be an ideal response?

Question 2

The observed relationship between the masses of central black holes and the bulge masses of galaxies implies that ________.
 
  A) the black hole will eventually suck in the rest of the galaxy
  B) galaxy formation and supermassive black hole formation must be related somehow
  C) quasars were more common 10 billion years ago than they are today
  D) the biggest galaxies have the most luminous quasars


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jonathanballen97

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

As either radius or surface temperature increases, the luminosity also increases. The luminosity is proportional to the square of the radius and the fourth power of the temperature.

Answer to Question 2

B


lbcchick

  • Member
  • Posts: 550
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Heliotropium (marine heliotrope) lower leaf surface, showing trichomes and a few stomata Heliotropium (marine heliotrope) lower leaf surface, showing trichomes and a few stomata
The Inner Surface of Human Lung The Inner Surface of Human Lung
Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ
A crescent Moon and "star" A crescent Moon and "star"
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Average Surface Air Pressure – July Average Surface Air Pressure – July
Video: Amniocentesis and CVS Animation

For a complete list of videos, visit our video library