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

Author Question: The brightest main-sequence star in a cluster has a temperature of 10,000 K and a luminosity about ... (Read 67 times)

fagboi

  • Hero Member
  • *****
  • Posts: 535
on: Jul 27, 2018
The brightest main-sequence star in a cluster has a temperature of 10,000 K and a luminosity about 100 times greater than the sun. What is the approximate age of the cluster?
 
  A) About 1011 years B) About 107 years
  C) About 109 years D) This cannot be answered using the HR diagram.

Question 2

The names of the seven days of the week are derived from the names of the members of the solar system that are visible to the naked eye.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

billybob123

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


fagboi

  • Member
  • Posts: 535
Reply 2 on: Jul 27, 2018
Gracias!

pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

The Sun is the nearest star to Earth. The Sun is the nearest star to Earth.
Luminosity Classes Luminosity Classes
Physical fitness is part of an emerging value cluster. Physical fitness is part of an emerging value cluster.
Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ... Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ...
Correlates well with global temperature prior to the impact of GHG emissions Correlates well with global temperature prior to the impact of GHG emissions
Three common eukaryotic promoter consensus sequence elements Three common eukaryotic promoter consensus sequence elements
Video: Structures that affect circulation - arterioles and vasomotor responses and venous return

For a complete list of videos, visit our video library