Twinkle Twinkle Little Star: BGP's Astronomy Thread

Page 29 of I'm sure there are several astronomy enthusiasts here, besides TB&G and myself. I can't get enough of astronomy and I never get tired of learning n... 428 comments | 9234 Views | Go to page 1 →

  1. #421
    Science Friction's Avatar
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    If I get a chance, I will post a short quiz this weekend. Throw me out a quiz topic if you like--- Yellow moons, orange stars, ...green clovers??? ....

    I'm thinking maybe something about moons...
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    1. In 1910, Mr. Galileo published his findings of his discovery of four moons orbiting Jupiter. One of these four Galilean moons, the innermost and second smallest of the four is pictured below. Kinda reminds me of a bad piece of cheese. Name it . ___________________

    If you think you know the answer, indicate with a "Like" below.

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    2. Also one of the four Galilean moons, this body is the ninth-largest object in the solar system. At nearly 3,300 miles in diameter, this moon is larger than Mercury and Pluto and is two-thirds the size of Mars. It would easily be classified as a planet if it orbited the Sun rather than Jupiter. In 2030, this moon will be a focal point of a European Space Agency mission. It is thought to have a salty ocean beneath its icy surface. Can you name this moon? ____________

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    If so, indicate with a "Like" or a post below.

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    3. There is one almost incomprehensible fact about this moon. It has an atmosphere that is so thick that it is 50% LARGER than Earth's atmosphere. Think about that!!! Only nine other moons in the solar system are known to even have at atmosphere at all, and most all of those are so thin as to barely register as a trace.
    This moon's atmosphere is 98.4% nitrogen and rivers of methane flow on it's surface in a greater capacity than beer flowing on the weekends at a University of Kentucky Frat house.

    NWO's forecast for this moon tomorrow--- "Cloudy, hazy, and cold , just like every other damned day ! "

    Can you name this moon? _________ If so, indicate with a "Like" or a post below.

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    4. At half the diameter and 1/8 the mass of the dwarf planet it orbits, this moon is the largest satellite in the solar system relative to its parent "planet." This body and its partner- in -orbit make up the solar system's only double dwarf planetary system. The moon and its celestial partner always face each other due to mutual tidal locking. This moon is named after the old geezer in Greek mythology who ferried the souls of the dead to the river Styx.

    Name this moon. ___________ If you think you know it, indicate with a "Like" below.

    Look at those fault lines and canyons on that world? And you thought the Grand Canyon was huge?

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    SF, you're so moody. First you're jovial, then saturnine. You invite us to the outer limits, but we have to pay a toll. What the . . . ?

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    Quote Originally Posted by Science Friction View Post
    I'm thinking maybe something about moons...

    "How High the Moon" (?) - Les Paul and Mary Ford

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    I have a bonus question for you folks. Has anyone gotten all four of the previous questions correct? I'm sure TB&G has. Here's the bonus.

    Besides Earth, there are only three worlds in our solar system that are known to still have active volcanoes on its surface. Can you name all three?

    1. This moon, which I've already mentioned in a previous question, is the most volcanically active world in our solar system. It's the innermost moon of a big planet. Name it. ________

    2. This is a moon of a ringed- world. Cassini took a bunch of pictures of this moon and its geysers. Is this world spewing out the ingredients for life? Maybe. Name this moon. _______

    3. This is the largest moon of an outer planet. Unlike our Moon, which is slowly inching away from Earth, this body is being drawn closer to its parent planet. Someday in the distant future, this moon will get too close and will be ripped apart by tidal forces.
    NWO's forecast for this moon: "Colder than a fart in a dead Eskimo."

    Better take a rather hefty coat and some long johns if you plan on visiting this place. The average surface temp is a rather chilly -391 degrees Fahrenheit !!!

    Name this moon. ________

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