![]() ![]() If Blue Marble evoked a fragile Earth, Pale Blue Dot emphasised Earth’s insignificance in the cosmos. Gill using modern image-processing techniques, 2020. At the request of visionary astronomer Carl Sagan, it turned its camera back on Earth for one last time at a distance of 6 billion kilometres. ![]() Our farthest view of Earth comes from the Voyager 1 spacecraft in 1990. The impression of a single, whole Earth, however, conceals the fact that not all nations or communities are equally responsible for upsetting the balance and creating environmental disequilibrium. While the theory is not widely accepted today, it provided a catalyst for a holistic approach to Earth’s environment as a biosphere in delicate balance. The hypothesis proposes that Earth is a complex self-regulating system which acts to maintain a state of equilibrium. The Blue Marble is often used to illustrate the Gaia hypothesis, developed by James Lovelock and Lynn Margulis in the 1960s and ’70s. ![]() The first photograph of the entire globe: 50 years on, Blue Marble still inspires It showed a planet requiring stewardship at the global scale. Like Earthrise, this image became an emblem of the environmental movement. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |