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 92 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
Great answer, keep it coming :)

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

The asymmetrical appearance of Mira, an oscillating variable star. The asymmetrical appearance of Mira, an oscillating variable star.
The Sun is the nearest star to Earth. The Sun is the nearest star to Earth.
Ranges of normal temperature values Ranges of normal temperature values
The two main types of nerve cells. The two main types of nerve cells.
Primary rainbows are the brightest and most common. Primary rainbows are the brightest and most common.
Origin of replication sequence in E. coli Origin of replication sequence in E. coli
Video: Proteins

For a complete list of videos, visit our video library