This topic contains a solution. Click here to go to the answer

Author Question: Harvard woman astronomer ________ discovered the period-luminosity relation. A) Antonia Maury B) ... (Read 37 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
Harvard woman astronomer ________ discovered the period-luminosity relation.
 
  A) Antonia Maury
  B) Annie Cannon
  C) Cecilia Payne-Gaposchkin
  D) Henrietta Leavitt
  E) Williamina Fleming

Question 2

What is the relationship between a star's mass and its lifetime?
 
  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

yeungji

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

D

Answer to Question 2

The more massive a star is, the faster it uses up its fuel and the shorter its lifetime.




fahad

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

For a complete list of videos, visit our video library