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

Author Question: Rigel, a blue supergiant, is 17 times more massive than the Sun and, therefore, is likely ________ ... (Read 14 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
Rigel, a blue supergiant, is 17 times more massive than the Sun and, therefore, is likely ________ in age.
 
  Fill in the blank(s) with correct word

Question 2

What elements do astronomers consider heavy elements?
 
  A) all elements besides hydrogen and helium
  B) elements that are heavier than iron
  C) elements that are heavier than uranium
  D) elements that are heavier than hydrogen
  E) elements that are heavier than carbon



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

younger

Answer to Question 2

A





 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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.

For a complete list of videos, visit our video library