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 120 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
YES! Correct, THANKS for helping me on my review

JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Venous Star Venous Star
The Sun is the nearest star to Earth. The Sun is the nearest star to Earth.
True Forget-Me-Not True Forget-Me-Not
Binary Stars Binary Stars
Circumpolar Star Trails Circumpolar Star Trails
Stars and the Interstellar Medium Stars and the Interstellar Medium
Video: Phases of an Action Potential - Resting Potential, Threshold, Rising, Falling, & Recovery Phases

For a complete list of videos, visit our video library