Captured during blue hour at the dunes of Mungo National Park, NSW, Australia, this image blends star trails with intersecting satellite passes — a striking display of the growing environmental impact of human activity in space. While visually striking, this intricate web of light also reflects the growing environmental impact of human activity in space, raising concern for astronomers and environmental monitors. Mungo, part of the World Heritage-listed Willandra Lakes Region, holds deep Aboriginal significance and some of the oldest traces of human history.