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

Author Question: What is the typical main sequence lifetime of a B-type star? A) less than a million years B) 20 ... (Read 44 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


nenivikky

  • Member
  • Posts: 516
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Phenotypic ratios in progeny reveal the type of cross Phenotypic ratios in progeny reveal the type of cross
Checklist of Developmental Skills: Birth to 5 years Checklist of Developmental Skills: Birth to 5 years
A typical 3 ton (6,000 lb) capacity hydraulic jack. A typical 3 ton (6,000 lb) capacity hydraulic jack.
Comparison of A-type Climates Comparison of A-type Climates
Smooth Brittle Star. Smooth Brittle Star.
Main components of the human endocrine system and the effects of their secretions Main components of the human endocrine system and the effects of their secretions
Video: Corpus Callosum Animation

For a complete list of videos, visit our video library