This lecture explores how events beyond our planet have shaped Earth’s long and dramatic history.
The lecture examines asteroid impacts, variations in Earth’s orbit, and changes in solar activity, and how these cosmic influences have driven ice ages, climate change, mass extinctions, and evolutionary turning points. Drawing on geological evidence and the fossil record, it reveals how Earth’s environment have been repeatedly transformed by its place in space.
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Mary Immaculate College, South Circular Road, Limerick