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

Author Question: What is the typical main sequence lifetime of a B-type star? A) less than a million years B) 20 ... (Read 88 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
What is the typical main sequence lifetime of a B-type star?
 
  A) less than a million years
  B) 20 million years
  C) 100 million years
  D) 1 billion years
  E) 10 billion years

Question 2

Which moon of Saturn constantly changes its rotational speed and rotational axis?
 
  A) Mimas
  B) Iapetus
  C) Hyperion
  D) Calypso
  E) Janus



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SomethingSomething

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

C




nenivikky

  • Member
  • Posts: 516
Reply 2 on: Jul 27, 2018
Gracias!


phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library