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

Author Question: Which of the following is a drawback of using type Ia supernovae for measuring the distance of ... (Read 96 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
on: Jul 27, 2018
Which of the following is a drawback of using type Ia supernovae for measuring the distance of galaxies?
 
  A) They are not bright enough to be noticed.
  B) They cannot be calibrated.
  C) They are a rare occurrence.
  D) They occur only in spiral galaxies.

Question 2

The Local Group is a _____.
 
  A) rich galaxy cluster
  B) poor galaxy cluster
  C) regular galaxy cluster
  D) spherical galaxy cluster


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
Reply #2 on: Jul 27, 2018
Thanks


HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Overview of material uptake and long-distance transport processes in plants Overview of material uptake and long-distance transport processes in plants
Lavoisier's pioneering direct calorimetry method of measuring BMR. Lavoisier's pioneering direct calorimetry method of measuring BMR.
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Chylomicron Chylomicrons are one type of lipoprotein Chylomicron Chylomicrons are one type of lipoprotein
Chloroplast segregation determined by mating type in Chlamydomonas Chloroplast segregation determined by mating type in Chlamydomonas
The relationship between recombination frequency and physical distance between genes The relationship between recombination frequency and physical distance between genes
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library