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Strange 'coral reef' deposits reveal Mars' climate history
Original: Strange 'coral reef' deposits reveal Mars' climate history photo of the day for Sept. 28, 2026
NASA's Astronomy Picture of the Day for September 28, 2026 features unusual deposits on Mars that resemble coral reefs. The formations are not biological; scientists believe they were shaped by ancient water or wind processes, and studying them offers clues about how the planet's climate and surface changed over billions of years.
Why now: A striking new image of reef-like Martian terrain is drawing attention to questions about Mars' watery past.
Evidence
- Strange 'coral reef' deposits reveal Mars' climate history photo of the day for Sept. 28, 2026 · Space
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