emperor penguins in_antarctica
TRANSCRIPT
Auroras are natural light displays in the skies. Auroras occur at night. At the north pole, they are called aurora borealis. At the south pole, they are called aurora australis.
What is an aurora ?
TRANSCRIPT
Auroras are natural light displays in the skies. Auroras occur at night. At the north pole, they are called aurora borealis. At the south pole, they are called aurora australis.
What is an aurora ?