Title: What Makes Earth Special Compared to Other Planets | Space
Headings: What Makes Earth Special Compared to Other Planets
What Makes Earth Special Compared to Other Planets
Water World
Goldilocks planet
A friendly moon
Rare Earth
Not-so-special Earth

Content: "Certainly there will be other planets that support life," he said. " I think life is actually quite common. I think we're going to find there are literally billions of them in the galaxy." 101 Amazing Earth Facts
The Greatest Mysteries in Science
Top 10 Most Intriguing Extrasolar Planets
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