Description : SUN AND PLANET FACTS
Last Answer : SUN AND PLANET FACTS Sun -- * middle-sized yellow star * formed from cloud of hydrogen gas and dust, 5 billion years ago * holds 99.85% of the mass of our solar system * 92% hydrogen and 8% helium ... of 1250 mph * 165 years to orbit, rotates every 16 hours * - 392° F * 13 moons