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

Author Question: The Tully-Fisher relation uses the rotational speed of the galaxy to measure its ________. Fill ... (Read 137 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
on: Jul 27, 2018
The Tully-Fisher relation uses the rotational speed of the galaxy to measure its ________.
 
  Fill in the blank(s) with correct word

Question 2

How did ancient peoples of central Africa predict the weather?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

luminosity

Answer to Question 2

They observed the orientation of the crescent moon relative to the horizon. The orientation of the horns is related to rainfall patterns.


123654777

  • Member
  • Posts: 585
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
Illustration of the Milky Way galaxy, showing the location of the Sun Illustration of the Milky Way galaxy, showing the location of the Sun
The Speed of Light Is Constant The Speed of Light Is Constant
Position of lung lobes in relation to anatomical landmarks Position of lung lobes in relation to anatomical landmarks
A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ... A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ...
A Breathalyzer is used to measure a person's blood alcohol concentration (BAC) A Breathalyzer is used to measure a person's blood alcohol concentration (BAC)
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library