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

Author Question: Harvard woman astronomer ________ discovered the period-luminosity relation. A) Antonia Maury B) ... (Read 92 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Wow, this really help

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Megazostrodon, the first known mammal of the Triassic period. Megazostrodon, the first known mammal of the Triassic period.
Transformation and Evolution of a Long-Period Comet Transformation and Evolution of a Long-Period Comet
Chest Woman Xray Chest Woman Xray
A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there
Elizabeth, a married 35-year-old woman, always thought that she followed a sensible diet Elizabeth, a married 35-year-old woman, always thought that she followed a sensible diet
A young woman with retrognathia (illustration) A young woman with retrognathia (illustration)
Video: Ultrasound of a Fetus (Sonogram)

For a complete list of videos, visit our video library