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Voyager 1 is the farthest spacecraft from Earth

No spacecraft has gone farther than Voyager 1, which crossed into interstellar space in August 2012.

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It launched in 1977 to fly by Jupiter and Saturn. Voyager 1 is still collecting data.

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Titan is the only moon with a thick atmosphere

Saturn's moon Titan is the only moon in the solar system known to have a substantial atmosphere.

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All asteroids together weigh less than the Moon

The total mass of all the asteroids combined is less than that of Earth's Moon.

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Jupiter has the shortest day of any planet

Jupiter spins once in about 9.9 hours, the shortest day in the solar system.

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