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 116 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
Gracias!

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Betelgeuse is a semiregular variable star Betelgeuse is a semiregular variable star
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Star Map Star Map
Rising and Setting of Stars at Middle North Latitudes Rising and Setting of Stars at Middle North Latitudes
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Which is TRUE about the alternation of generations cycle that is diagramed above? Which is TRUE about the alternation of generations cycle that is diagramed above?
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

For a complete list of videos, visit our video library