How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...
After a 20-year voyage, NASA's Cassini spacecraft is poised to dive into Saturn this week to become forever one with the exquisite planet. There's no turning back: Friday it careens through the ...
To meet the challenge of putting a man on the Moon, the Apollo space program needed a rocket more powerful and advanced than any that had ever been seen before. The final result was the Saturn V, the ...
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