How much of the solar system's mass is in the Sun?
The Sun contains about 99.8% of all the mass in our solar system.
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- Does Venus spin backward?
“Venus spins backward compared with most planets, so on Venus the Sun rises in the west.”
Reference: NASA
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A day when heavenly bodies align
On July 1, 2015 Earth, Venus and Jupiter will be ordered on a single line.
Which planet has the shortest day?
Jupiter has the shortest day of any planet, about 10 hours.