The article discusses Earth's dynamic history, particularly the Snowball Earth period, which lasted around 300 million years when the planet was entirely encased in ice. PhD candidate Alia Wofford provides insights into this era through climate modeling, which helps understand early Earth's conditions. This research is vital in shaping our approach to identifying potentially habitable exoplanets. While modern Earth's features include oceans and landforms indicative of life, past Earth's extreme conditions offer lessons for scientists searching for similar signs elsewhere in the universe.
When we search for life in the Universe, it makes sense to look for planets that are similar to Earth.
The fascinating Snowball Earth period lasted approximately 300 million years, during which the entire surface was covered in snow and ice.
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