Answers to Video:  95 Worlds and Counting

 

Neptune’s Triton

  1. What is absolute zero?
    1. The temperature at which all movement stops

 

  1. What type of features will you find on Triton?
    1. Geysers, volcanoes, and a frozen surface

 

  1. What are the geysers made of?
    1. Liquid Nitrogen

 

  1. What would happen to a person without a space suit on Triton?
    1. Your head would explode
    2. Body would freeze

 

Jupiter’s Io

  1. How many active volcanoes are there on Io?
    1. Over 300

 

  1. How many tons of lava per second will one find on Io?
    1. 45,000 tons/sec

 

  1. What type of conditions will you find away from the active volcanoes?
    1. 200 degrees below zero and full of snow!

 

  1. How are Io’s “auroras” created?
    1. Glowing volcanic gases.  Created when sulfur dioxide gas from the erupting volcanoes strikes charged particles emitted from Jupiter

 

Mars’s Phobos

  1. How big is Phobos?
    1. Size of Houston, Texas

 

  1. How was Phobos’ soil created?
    1. Impacts from space

 

  1. What would happen if you jumped too high on Phobos?
    1. You would go into orbit!

 

  1. How far away from Mars is Phobos?
    1. 4000 miles away from Mars

Earth’s Moon

  1. How long did it take for astronauts to get to the Moon in the 60’s-70’s?
    1. 3 days

 

  1. How old were some of the rocks that astronauts found on the Moon?
    1. 4.5 billion years old

 

  1. What was so important about the “orange” soil?
    1. Made of orange volcanic beads almost 4 billions years, reminder that the Moon had active volcanoes

 

  1. Who was the last man to walk on the Moon on December 14, 1972?
    1. Gene Cernan

 

Saturn’s Titan

  1. What are Titan’s lakes made of?
    1. Liquid natural gas (300 degrees below zero)

 

  1. What does Titan have that no other moon has?
    1. An atmosphere

 

  1. Why could a human “fly” on Titan (hint: 2 reasons)?
    1. Air is so thick
    2. Gravity is so low

 

  1. What would happen if you struck a match on Titan?
    1. The whole moon would blow up!

 

Jupiter’s Europa

  1. What might be under Europa’s ice?
    1. A liquid Ocean with perhaps: Life?

 

  1. What is the temperature on Europa?
    1. 250 degrees below zero

 

  1. What do the tidal forces from Jupiter cause to happen on Europa?
    1. Causes the ice to crack open expand and then contract

 

  1. Why is Europa a good place to look for “life”?
    1. Life on Earth started in water, so if water is under the ice on Europa….who knows what may be down there!