The first astronauts to enter a polar orbit chose the obvious animal to serve as their zero-g indicator: a plush polar bear. The doll also has an emperor penguin embroidered on its chest.

From diving off cliffs to starving for months, emperor penguins are continuing to surprise scientists with their ability to adapt to one of the world’s most extreme environments.

The initial quick views of the Fram2 zero-g indicator did not clearly show its emperor penguin art embroidery or identify the polar bear doll's model or manufacturer. | Credit: SpaceX The Fram2 ...