Mondo Knows Facts

The Great Barrier Reef is visible from outer space

Stretching for over 2,300 kilometres off Australia northeastern coast, it is the world's largest living structure.

Composed of billions of tiny coral polyps, the Great Barrier Reef encompasses roughly 2,900 individual reefs and 900 islands. It covers an area larger than Italy and provides a habitat for thousands of marine species. Rising ocean temperatures pose significant environmental threats to its delicate coral ecosystems.

Great Barrier Reef Queensland Ank Kumar
Ank Kumar ยท CC BY-SA 4.0 ยท licence ยท source

Where this comes from

UNESCO World Heritage Centre

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Tags: great barrier reef, australia, coral, oceans

The Great Barrier Reef is visible from outer space: the short answers

Where does this come from, and can I check it?
Stretching for over 2,300 kilometres off Australia northeastern coast, it is the world's largest living structure. The figure is taken from UNESCO World Heritage Centre, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a world geography fact?
Yes. It sits on the World Geography shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.