different backgrounds increasing in size all 16:9 aspect ratio

Starting with the smallest, 610X343

every one of these should perfectly fit a monitor with a 16:9 aspect ratio regardless of size.

720p

1440X810

900p for the next few

1680X1050

Everything below this point is 1080p until further notice

2160X1215

2353X1323

2500X1406

2560X1440 (2k) until further notice

2880x1620

2963X1667

3032X1705

3200X2400

PRAISE THE SUN WE FOUND THE 4K (3840X2160)

We crossing above the 4k threashold 3874X2179

4400X2475

now we're staring over the peak of 4k 5120X2979 (5k)

5945X3344

7680X4320 (8k) we've reached the peak that we're going to find on earth...

11427X6453 Hubble telescope image (11k, 22.7MB)