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

Author Question: Pulsating variable stars are useful in determining a. the mass of a star for which the distance ... (Read 102 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
Pulsating variable stars are useful in determining
 
  a. the mass of a star for which the distance is known.
  b. the temperature of a star for which we know the luminosity.
  c. the radius of the bulge of our galaxy.
  d. the distance to globular clusters.
  e. the mass of the Milky Way galaxy.

Question 2

How does density divide the stars in the H-R diagram into three groups?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultana.d

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

Density divides stars into three groups. Most stars are main-sequence stars with densities like the Sun's. Giants and supergiants are very-low-density stars, and white dwarfs are high-density stars.


codyclark

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
Wow, this really help

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

The Mass-Luminosity Relation The Mass-Luminosity Relation
A Summary of the Star Formation Process A Summary of the Star Formation Process
Spectra of a Metal-Poor and a Metal-Rich Star Spectra of a Metal-Poor and a Metal-Rich Star
Polar ice caps lose mass as surface ice melts Polar ice caps lose mass as surface ice melts
Summary of Single Variable Discrete Models Summary of Single Variable Discrete Models
Separation of variable number tandem repeat (VNTR) alleles after PCR amplification Separation of variable number tandem repeat (VNTR) alleles after PCR amplification
Video: Major Elements in Biological Molecules: Nucleic acids

For a complete list of videos, visit our video library