Website Detail Page

written by David Stern
This interesting site describes the early evidence for a round Earth and also Eratosthenes remarkable measurement of Earth's circumference.  You'll see that Columbus was not the first to imagine sailing west to India, and that he planned to get there based on an underestimation of the distance he had to travel.
Subjects Levels Resource Types
Astronomy
- Historical Astronomy
- Solar System
= Earth
- High School
- Lower Undergraduate
- Instructional Material
= Curriculum support
- Reference Material
Intended Users Formats Ratings
- Learners
- Educators
- text/html
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Access Rights: Free access
Restriction: © 2004 David P. Stern
Has a copyright or other licensing restriction.
Keywords: Earth view, astronomy, history of the spherical conception of the Earth
Record Creator: Metadata instance created June 6, 2004 by David Stern
Record Updated: Feb 16, 2009 by Cathy Ezrailson
Last Update
when Cataloged:
December 12, 2004
Other Collections:
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
D. Stern, (2004), WWW Document, (http://www.phy6.org/stargaze/Scolumb.htm).
AJP/PRST-PER
D. Stern, The Round Earth and Christopher Columbus, (2004), <http://www.phy6.org/stargaze/Scolumb.htm>.
APA Format
Stern, D. (2004, December 12). The Round Earth and Christopher Columbus. Retrieved October 30, 2014, from http://www.phy6.org/stargaze/Scolumb.htm
Chicago Format
Stern, David. The Round Earth and Christopher Columbus. December 12, 2004. http://www.phy6.org/stargaze/Scolumb.htm (accessed 30 October 2014).
MLA Format
Stern, David. The Round Earth and Christopher Columbus. 2004. 12 Dec. 2004. 30 Oct. 2014 <http://www.phy6.org/stargaze/Scolumb.htm>.
BibTeX Export Format
@misc{ Author = "David Stern", Title = {The Round Earth and Christopher Columbus}, Volume = {2014}, Number = {30 October 2014}, Month = {December 12, 2004}, Year = {2004} }
Refer Export Format

%A David Stern
%T The Round Earth and Christopher Columbus
%D December 12, 2004
%U http://www.phy6.org/stargaze/Scolumb.htm
%O text/html

EndNote Export Format

%0 Electronic Source
%A Stern, David
%D December 12, 2004
%T The Round Earth and Christopher Columbus
%V 2014
%N 30 October 2014
%8 December 12, 2004
%9 text/html
%U http://www.phy6.org/stargaze/Scolumb.htm


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Citation Source Information

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