Recent Developments

The Earth is very old, more than 4.5 billions years by current reckoning.  But what’s been going on here in say the last (mere) 200 million years?

Well, other than the extinction of the dinosaurs and the rise of mammals, including our species (which almost went extinct), quite a bit of land mass movement.

Click the image above to see the breakup of the supercontinent Pangaea into today’s seven continents.  It’s fascinating in general, but watch for Madagascar and India to split off from the Antarctic region, then split again, on their ways to their current locations.  Also watch for Cuba to migrate from the Pacific Ocean to its current place before the Panamanian isthmus closes.

Author: Bob Mahoney

Physics teacher

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s