MOONS

MOONS

1. Earths moon

   • Has been visited by humans
     • Humans have been there 6 times
   • Earths only natural satellite
     • called the moon because only known (moon) a long time ago
       • The actual name of the moon is "Luna"
   • Can be seen without a telescope from Earth
   • Has a radius of 1,079.6
   • Only half of the moon is visible at once

2. Europa

   • Has a global ocean under the icy surface
   • May contain living organisms
   • It stretches at its closest point to Jupiter on its orbit
   • Scientists are looking into it being able to sustain life
   • It contains liquid H20 because of the flexing it does that heats it up
   • Orbits Jupiter every 3.5 days

3. Enceladus

   • Has a huge water vent that sprays ice particals
   • It is Saturn's sixth largest moon
   • The icy water particles are roughly one ten-thousandth of an inch
   • Discovered in 1789 by William Herschel
   • Enceladus has become a promising lead in search for worlds where life could exist.
   • Orbits every 32.9 hours

4. Titan

   • Its larger than mercury
   • Saturns largest moon
   • Second largest moon in our solar system
   • Titan is only 2% smaller than Ganymede
   • Titan is the only moon in our solar system that has clouds and a dense atmosphere
   • Orbits every 15 days and 22 hours