گندوانا واقعا یک ابرقاره بود – و ممکن است به شروع حیات روی زمین کمک کرده باشد

Gondwana really was a supercontinent—and it may have helped kickstart life on Earth

Some 550 million years ago, Earth looked very different than it does today. The Southern Hemisphere was dominated by an enormous single continent known as Gondwana.