Hurricane Florence 2018

Today we have seven questions, so we will take ten minutes to complete the quiz.

With that in mind, ladies and gentlemen, please get out a clean sheet of paper and a No. 2 pencil and prepare for today’s Astronomy Pop Quiz.

DMG procedures and expectations apply; 1) if you find a mistake, please let me know, and b) do your best.


The topic today: weather in our Solar System


You have five minutes to complete the quiz. Begin now.

  1. Name the most famous cloud in the atmosphere of Jupiter:
    Jupiter, taken by Dennis Hands,     September 28, 2018.



  1. Saturn has clouds of water ice low in the atmosphere. What composes the main, high clouds of Saturn?


  1. It takes Uranus about 84 years to orbit the Sun one time. It is tipped over so the pole lies nearly in the plane of the solar system. Within5 years, how many years does night last at Uranus’ North Pole?

    Uranus taken by Dennis Hands     October 5, 2017


  1. On Earth, heat from the Sun powers our storms. On Neptune, what powers the storms?


  1. What makes storms on Earth’s Northern Hemisphere spin clockwise while those in the Southern Hemisphere spin counter clockwise?


  1. On Earth, clouds and rain drops are made of water. On Venus what are the clouds and rain made of?
  1. Within 5 mph how fast can the winds on Mars get?



OK, pencils down. Let’s trade with a neighbor and check one another. Here are the correct answers and your “neighbor” who got the correct answer on my Periscope broadcast on September 3, from 8:00 am (eastern US) to 9:00.


Help Make the World a Better Place!

On my Periscope broadcast any player who is the first to give the correct answer to a question is a winner. Winners who make a contribution to one of my charities in the next 30 days will have their gift matched by me up to $100. My charities are listed on my blog.     Tell the charity to contact me about your contribution.


Link here to my blog “An Island in the Sea of Mystery.”



You are welcome to play with us during the next live broadcast of

“Let’s talk astronomy” this coming Monday beginning at 8 am eastern US time on Periscope.

Periscope is a live video streaming app for Android and iOS available in the App Store.


On Monday, September 17, 2018, our Periscope Trivia Contest was about the weather on some Solar System planets.

The questions are given above, the correct answers and the winners are given below.

Congratulations to all winners and thank-you to all participants.

Play live on Let’s talk astronomy” 8 am on Mondays.



Correct Answers……..Periscope Winners:

  1. Great Red Spot………. @joelshultz:   In recent time, the Great Red Spot has been shrinking.  We may see it disappear According to the Observer’s Handbook 2018 (RASC.) .


  1. Ammonia crystals…………@Pircano: Saturn is twice as far from the Sun as Jupiter, so it receives much less energy from the Sun and it’s atmosphere isn’t as lively.
  1. 42 years…….. @speear40: The orbital period of Uranus is 84.4 years. With a very large telescope, one might see two faint belts. 


  1. Internal heat……….@joelschultz (geology) and @ross3838 (internal pressure) :  Neptune’s north pole is tipped away from the Earth.


  1. Earth’s rotation….………@joelschultz  and @ speear40  and @ross3838 :Research “Coriolis force.”



  1. Sulfuric acid…………..@ .ross3838 and  @Steelman__MJW: And it’s about 900 degrees F on the surface of Venus!


South Pole ice cap is visible in my image of Mars taken 9/11/2018.


  1. 124 mph…………….@luvsomemore : Mark Whatny just barely survived.

Thanks goes out to all participants, and Congratulations to everyone who got one right.


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