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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- What is Saturn's hexagon?
“A six-sided storm called the hexagon swirls at Saturn's north pole.”
Reference: NASA
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What did Galileo see when he looked at Saturn?
Galileo's telescope wasn't strong enough to show Saturn's rings clearly, so he thought the planet had "ears" or two large moons on either side.
What is the Great Red Spot?
Jupiter's Great Red Spot is a storm bigger than Earth that has lasted for centuries, though it has been shrinking.