How to Observe Tranquility Base

How much do you know about astronomy?

Today we have challenging questions about the Sea of Tranquility based on the writing of John Jardin Goss. “Return to the Sea of Tranquility” is a new chapter in the Observer’s Handbook 2019 full of advice for your telescopic view,

I created three questions that could be answered without reading this chapter.

You have up to ten minutes to complete the challenge today.

Begin now. Do your best.

  1. It was one day before first quarter (6.5 days past new) when Apollo 11’s “Eagle” touched down in the Sea of Tranquility. How many times this year (2019) will the Moon be in a similar phase?

  1. All three Apollo 11 crew members have lunar craters named for them Whose crater is closest to the Apollo 11 landing site?

  1. The author of the Observer’s Handbook 2019 article reminds us that patience is important in discerning lunar details. Goss quotes a famous American philosopher who said “You can observe a lot by watching.” Name the philosopher.

OK, pencils down. Scroll down for directions for checking your answers.

Please read directions below:

Step 1: Please contribute to one of these charities linked below. If you are a winner and contribute, please ask recipient to notify me of the amount so I might match the first $100.

  1. Michael J. fox Foundation for Parkinson’s Research

Click on “Get Involved”

  1. Guilford County Animal Shelter

               Look under “Donate to the Animal Shelter.”

  1. Guilford Senior Resources

Look under “You Can Help”

  1. Jo Cline Memorial Endowment

Step 2: Check your written answers to the answers below. If your answer is correct, give it a check mark.

Step 3: If your answer is wrong, put a small X.

Step 4: If you think my answer is questionable, write yourself a note, do the research and let me know if I’ve erred. Thanks in advance,

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, February 11, 2019, our Astronomy Challenge was about “Return to the Sea of Tranquility.”.

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 the Astronomy Challenge live on Periscope’s “ Let’s talk astronomy” 8 am (Eastern US time) on Mondays.

Correct Answers……..Periscope Winners:

  1. Twelve times this year.………………….@joelschultz: Our next time will be March 12, 2019 at 9 pm edt

  1. Collins…………………@Saloonatic:. Crater Armstrong is to the east and Aldrin is to the west. If you’ve got an 8 inch telescope and 200 magnification, you may be able to spy these three craters.

  1. Yogi Berra…………@speear40: Can you name the three Cardinals memorialized in the Yankees famed monument park?

Live Periscope viewers indicated that the topic for the Astronomy Challenge on Monday, January 21 will be constellations of the electro-magnetic spectrum.

If you find a mistake, please let me know.

Thanks goes out to all participants,


Congratulations to everyone who got one right.

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