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

Author Question: The period-luminosity relationship is primarily used for main-sequence stars. a. True b. False ... (Read 81 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Jul 27, 2018
The period-luminosity relationship is primarily used for main-sequence stars.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The interstellar medium is made of ______________.
 
  a. gas b. dust
  c. gas and dust d. None of these choices are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 27, 2018
Answer to Question 1

False

Answer to Question 2

c


ARLKQ

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jul 27, 2018
TY


SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat
Age-Crime Relationship in (a) 1842 and (b) 1992 Age-Crime Relationship in (a) 1842 and (b) 1992
William Kentridge, History of the Main Complaint. William Kentridge, History of the Main Complaint.
Night Attack on the Sanjo Palace (detail), from the Scrolls of Events of the Heiji Period. Night Attack on the Sanjo Palace (detail), from the Scrolls of Events of the Heiji Period.
The insulin receptor and its structural relationship to other transmembrane receptors with protein The insulin receptor and its structural relationship to other transmembrane receptors with protein
Relationship of a DNA base sequence to peptide structure Relationship of a DNA base sequence to peptide structure
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library