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

Author Question: Stars are eternal and unchanging in your lifetime but not over a star's lifetime a. True b. ... (Read 129 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
Stars are eternal and unchanging in your lifetime but not over a star's lifetime
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

To initiate star formation in a cloud, you need a __________.
 
  a. slow contraction of a molecular cloud b. rotating molecular cloud
  c. magnetic field d. shock


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zogaridan

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

False
RATIONALE: Refer to variable stars like RR Lyrae.

Answer to Question 2

d


j.rubin

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
Excellent

peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

A true albino squirrel. Note the pink eyes. A true albino squirrel. Note the pink eyes.
Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
Stars and the Interstellar Medium Stars and the Interstellar Medium
Evolution of Stars Off the Main Sequence Evolution of Stars Off the Main Sequence
A Rotating, Magnetized Neutron Star A Rotating, Magnetized Neutron Star
Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska. Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska.
Video: Aneurysm

For a complete list of videos, visit our video library