Uploaded February 2025 | Updated September 2026, 3 hours ago
UPDATE: Michael Dam Olsen won the challenge, with amazing accuracy! Here is his methodology: youtu.be/6wYWcp5l_IM (27 minutes)
Rules:
A. Entries must include: 1) Whether photo was taken at sunrise or sunset. 2) The latitude of the photographer. 3) In the context of the shape of the Earth, describe exactly how you arrived at your answers!
B. Entries may be recorded in the form of a video published here on YouTube. I'll assume it's a public video unless you say otherwise, and I'll include the links to all entry videos I get below. Email me the link.
OR
You may just email me your entry. FlatEarthMath at gmail.
C) Deadline is midnight on March 14, 2025.
D) The person with the closest estimate, supported by an understandable explanation, will win a $100 gift card (Amazon or Visa, your choice, for online purchases only). I'll send you your prize via email.
UPDATE: Michael Dam Olsen won the challenge, with amazing accuracy! Here is his methodology: youtu.be/6wYWcp5l_IM (27 minutes)
Rules:
A. Entries must include: 1) Whether photo was taken at sunrise or sunset. 2) The latitude of the photographer. 3) In the context of the shape of the Earth, describe exactly how you arrived at your answers!
B. Entries may be recorded in the form of a video published here on YouTube. I'll assume it's a public video unless you say otherwise, and I'll include the links to all entry videos I get below. Email me the link.
OR
You may just email me your entry. FlatEarthMath at gmail.
C) Deadline is midnight on March 14, 2025.
D) The person with the closest estimate, supported by an understandable explanation, will win a $100 gift card (Amazon or Visa, your choice, for online purchases only). I'll send you your prize via email.
