<p>Jupiter Fun Facts Astronomy Name: Period:</p><p> red Galilean 254 gravity gas System Sun axis Jovian largest moon field 1610 poles fifth</p><p>Jupiter is the ______planet from the Sun and the ______planet in our Solar System. It is a gas giant planet that has a thick atmosphere, dozens of moons, and a dark, barely-visible ring. Jupiter's most prominent features are bands across its latitudes and a great ______spot (which is a huge storm). Jupiter was named after the Roman primary god, Jupiter.</p><p>Jupiter is composed mostly of ______. This enormous planet radiates twice as much heat as it absorbs from the ______. It also has an extremely strong magnetic ______. The planet is slightly flattened at its ______and it bulges out a bit at the equator.</p><p>It takes Jupiter 9.8 Earth hours to revolve around its ______(this is a Jovian day). It takes 11.86 Earth years for Jupiter to orbit the Sun once (this is a ______year).</p><p>Jupiter's diameter is 88,700 miles (142,800 km). This is a little more than 11 times the diameter of the Earth. Jupiter is so big that all the other planets in our Solar ______could fit inside Jupiter (if it were hollow).</p><p>Jupiter's mass is about 318 times the mass of the Earth, but the ______on Jupiter is only about 2.54 times of the gravity on Earth. This is because Jupiter is such a large planet (and the gravitational force a planet exerts upon an object at the planet's surface is proportional to its mass and to the inverse of its radius squared). A 100-pound person would weigh ______pounds on Jupiter. In ______, Galileo first discovered the four largest moons of Jupiter, Io (which is volcanically active), Europa, Ganymede (the largest of Jupiter's moons), and Callisto; these moons are known as the ______moons. Ganymede is the largest ______in the Solar System. In Summary:</p><p>1. Is Jupiter composed mostly of solids or gases?______</p><p>2. Jupiter is about 11-times, 111-times or 1,111-times bigger than the Earth. ______</p><p>3. How many moons orbit Jupiter?______</p><p>4. Who discovered the four largest moons of Jupiter in the 1600's?______</p><p>5. What is the major component of Jupiter's atmosphere? ______</p><p>6. How long is a Jovian day (a day on Jupiter)? ______</p><p>7. How long is a Jovian year?______</p><p>8. Is Jupiter's Great Red Spot a deposit of iron-rich soil, a storm, or a huge crater? ______</p><p>9. Does Jupiter have any rings? ______</p><p>10. Can you ever see Jupiter from Earth without using a telescope? ______</p>
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