I Measured the Sun’s Size to Test NASA’s Orbit Claim — Here’s What Happened

TL;DR: I tested NASA's claim that Earth’s distance from the Sun changes throughout the year by taking two photos—one in January and one in June—and measuring the Sun’s apparent size. Here's the full breakdown with all the data, equipment, and pixel math.

NASA says Earth orbits the Sun in an elliptical path, not a perfect circle. That means the distance between Earth and the Sun varies throughout the year — from about 91.4 million miles (147.1 million km) in January (perihelion) to 94.5 million miles (152.1 million km) in July (aphelion).
That distance change should cause the Sun to appear about 3.39% smaller in July than in January.

So... I tested it myself.

📸 I took two solar photos with the Nikon P950, both near solar noon:

January 3, 2025 (just before perihelion): 2,520 pixels tall

June 27, 2025 (just before aphelion): 2,429 pixels tall

Measured size change: 3.61%

That result is shockingly close to NASA's prediction — all from a camera, a solar filter, and a bit of spreadsheet math.

No tricks. No CGI. No NASA involvement. Just observation and repeatable results. This completely debunks the flat Earth claim that “the Sun always appears the same size.”

📁 I’ve included:

EXIF data from both photos

Camera and exposure settings

Step-by-step math using Excel

Commentary on pixel alignment accuracy and margins of error

Visual overlays and original image sizes

🔍 Want the raw files? Message me. I’ll send you everything, especially if you’re trying to prove me wrong.

📣 Drop your questions in the comments — or better yet, try it yourself and share what you find.

🧠 Remember:
Test the claim. See for yourself.

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