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

Author Question: How did Eratosthenes estimate the size of Earth? (Read 48 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Feb 28, 2020

Question 1

In the Ptolemaic (Greek) model of the universe, the stars are attached to the ________.
◦ zodiac
◦ celestial sphere
◦ plane of the ecliptic
◦ stadia
◦ deferent

Question 2

How did Eratosthenes estimate the size of Earth?
◦ They used the height of sailing ships as they sailed over the horizon to estimate curvature of Earth, which allowed estimation of its size.
◦ They didn't; everyone thought the world was flat until Columbus' time.
◦ They measured the altitude of mountains in Greece, then used the distance they were lost from sight to estimate the curvature of Earth, which allowed estimation of the its size.
◦ They measured the angle of the Sun above the horizon at midday in two places with different latitude and used the angle to estimate the circumference of Earth.
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by RRMR on Feb 28, 2020

jlaineee

  • Sr. Member
  • ****
  • Posts: 380
Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 55% of students answer this correctly


RRMR

  • Member
  • Posts: 557
Reply 2 on: Feb 28, 2020
Excellent

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Relationship between winter rainfall and chuckwalla, Sauromalus, size Relationship between winter rainfall and chuckwalla, Sauromalus, size
Earth with Rings Earth with Rings
6-8 Earth’s Major Tectonic Plates 6-8 Earth’s Major Tectonic Plates
Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth). Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth).
The Oceans of Earth The Oceans of Earth
For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ... For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ...
Video: Role of transport in a cell

For a complete list of videos, visit our video library