SortStack #2911 — 2034-05-29

By size · Order from shortest to longest.

1. A single grain of pollen 40 µm

   Pollen grains have survived intact for millions of years, letting scientists reconstruct ancient forests from lake-bed sediment.

2. An orca (killer whale) 8 m

   Orcas have distinct dialects passed down through families, essentially regional accents that differ between pods.

3. A blue whale 28 m

   The largest animal ever known, its heart alone is the size of a small car and beats just a few times a minute.

4. The Statue of Liberty (heel to torch) 47 m

   Her copper skin turned green over decades as the metal oxidised; she was originally a shiny reddish-brown.

5. The cruising altitude of Concorde 18 km

   Concorde flew so high that passengers could see the curvature of the Earth and the dark of space above.

6. 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.

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