logoalt Hacker News

evolve2kyesterday at 1:33 AM2 repliesview on HN

Comparing the final two images of taken of earth in 1972 and 2026 respectively; does the 2026 (left) image look murkier and less crisp to anyone else?

Surely our camera gear is exponentially better now? Is the reason for the new image being ‘murkier’ due to light, pollution or something else?


Replies

dsegoyesterday at 8:36 AM

> Surely our camera gear is exponentially better now

They are better, but not exponentially. You can't beat physics, film cameras can still compete in terms of dynamic range and resolution, the optical elements haven't changed that much. The 1972 photo was taken on medium format film, which is twice the size of the sensor area in the modern one, which means more photons and less noise. The recent image was take at a really high ISO, which adds to the noisiness.

mccraveiroyesterday at 1:37 AM

1972 -> taken during daytime 2026 -> taken during nightime