OUR SOLAR SYSTEM• Formed from the force of an exploding star, our solar system is a neighborhood in space. Held in place by the enormous gravitational pull of the sun are nine planets, over sixty moons and billions of asteroids and comets. These stretch over a distance of 7.6 trillion kilometers.
Fun facts• Diameter:1.6 light years• Age:4.6 billion years• Dwarf planet:1• Time taken to orbit the center of milky way: 220 million years• Star: the sun• Total number of planets:8• Total number of moons:63• Future life:5 billion years
HIDDENPLANETMercury is a verydifficult planet toexplore. It is normallyblocked by the sun’slight when seen fromearth. Even theHubble spacetelescope cannotobserve the planetbecause the sun’s rayscan damage it’sequipment.
Fun facts• Diameter: 142,984km• Distance from sun:779 million km• Surface gravity:2.36 x earth• Length of orbit: 4333 earth days• Length of day:10 earth hours• Mass:317.9 x earth• Density (water=1):1.33• Moons:61• Rings:3
Saturn fun facts• Diameter:120,536km• Distance from sun:1426 million km(886 million miles)• Gravity:0.92 x earth• Orbit time : 10,760 earth days• Day:10 hours• Mass: 95.2 x earth• Density(water=1):0.69• Moons:31• Rings:7
Fun facts• Diameter:51,166km• Distance from sun:2869 million km• Gravity:0.89 x earth• Orbital period:30,065 earth days• Day:18 hours• Mass 14.5 x earth• Density (water=1):1.27• Moons :21• Rings:11