Animation showing monthly changes on the Earth's surface over a complete year.
Click on image for full size
NASA's Earth Observatory
North and South: Opposite Seasons
NASA recently started making images of the entire surface of the Earth
every month. There are no clouds in the images. They combine many pictures
taken at different times when the weather is clear in different places.
The polar ice caps look larger than they really are. This is because of
how the globe was projected.
The animation begins in January. It is winter in the North and summer
in the South. As the months go by, you can see the ice and snow melt in
the North. Then it returns the following winter.
There is not as much land far in the South. The change in the snow is less
obvious. But you can see the land in the South grow more green in the
summer (when it is winter in the North). Then it grows more brown in the
winter (when it is summer in the North).
For the first time, you can see with your own eyes how the seasons are
opposite in the North and South.
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