Watch: A satellite time-lapse shows the world's biggest iceberg is on the move again

About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into open Antarctic waters.

Watch: A satellite time-lapse shows the world's biggest iceberg is on the move again
After spinning near the South Orkney Islands of Antarctica for months, the world

About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into open Antarctic waters.

(Image credit: NOAA)