Royalty-Free Science Photos, minimum size: 4k, dominant color: gray, sorted by aesthetic score
- 2592x4235 Public Domain
- 4608x3072 Public Domain
- 4000x2400 Public Domain
- 5000x2830 Public Domain
- 5000x2830 Public Domain
- 5992x3808 Public Domain
- 4000x2667 Public Domain
- 4608x3072 Public Domain
- 6480x4320 Public Domain
- 5000x2300 Public Domain
- 4000x3000 Public Domain
- 4400x3388 Public Domain
- 5200x3000 Public Domain
- 4924x4924 Public Domain
- 3648x5472 Public Domain
- 5472x3648 Public Domain
- 5025x3350 Public Domain
- 4608x3072 Public Domain
- 4608x3072 Public Domain
- 4248x2832 Public Domain
- 5873x3351 Public Domain
- 4000x2667 Public Domain
- 3980x2832 Public Domain
- 5856x4000 Public Domain
- 5358x3572 Public Domain
- 3992x2242 Public Domain
- 5000x2400 Public Domain
- 5000x2830 Public Domain
- 5000x3333 Public Domain
- 5348x3279 Public Domain