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 74 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

mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Rotational symmetry in proteins Rotational symmetry in proteins
Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
The Speed of Light Is Constant The Speed of Light Is Constant
Calipers being used to measure body fat on the triceps of a patient. Calipers being used to measure body fat on the triceps of a patient.
How to solve a distance, time, speed problem using linear algebra How to solve a distance, time, speed problem using linear algebra
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

For a complete list of videos, visit our video library