SortStack #2631 — 2033-08-22

By size · Order from shortest to longest.

1. A grain of table salt 0.5 mm

   Each crystal is a near-perfect cube because salt's atoms stack in a rigid cubic lattice.

2. A domestic cat (body length) 49 cm

   A cat has 32 muscles in each ear, letting it swivel them independently to pinpoint a sound's source.

3. The Taj Mahal 73 m

   Its white marble appears to change colour through the day, glowing pink at dawn and golden under moonlight.

4. The River Rhine (length) 1.2K km

   It has been a vital trade highway since Roman times, still carrying more cargo than any other river in Europe.

5. The Amazon River (length) 6.4K km

   It discharges so much water that it freshens the Atlantic Ocean more than 100 kilometres out from its mouth.

6. The diameter of the Earth 12.7K km

   Despite feeling enormous, Earth is smoother than a billiard ball when you compare its bumps to its size.

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