Catch a Falling Star
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. If you find a mistake, please let me know. Do your best.
The topic today: meteors
You have ten minutes to complete the quiz. Begin now.
What English word comes from the Greek that means “high in the air”?
At what altitude do meteors tend to begin to glow?
What do we call a small particle from a comet or asteroid that is in orbit around the Sun?
This month, we have the Orionid meteor peaks on the 21st. From what constellation will they appear to radiate?
What do we call the number of meteors a single average observer could see if the radiant were directly overhead and the sky is dark and transparent and you can see down to magnitude +6.5?
What do we call exceptionally bright meteors at least mag -5, that light up a wide area?
What do we call rocks from space that have fallen to Earth?
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 October 8.
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A player who is the first to give the correct answer on the live-show is a winner. Winners who make a contribution to one of my charities in the next 30 days will have the 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, October 8, 2018, our Periscope Astronomy Quiz was about meteors
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, Mondays
Correct Answers……..Periscope Winners:
meteor………. @sixeight69: Meteor comes from the Greek word meteroros
120 to 80 km…….. @speear40 : These space rocks hit high in our atmosphere (between 75 miles and 50 miles up)and glow usually lose mass from vaporization.
meteoroid….………@speear40: There are two kinds of meteoroids: stream and sporadic. Generally we can see 8 to 12 sporadic meteors per hour.
Orion…………….@: murpheyck: The Orionids were first noticed in 1839. They are related to comet Halley.
ZHR……….@speear40: Zenithal Rate per Hour
fireballs…………..@prittisavage: My last fireball sighting was actually the reflection from the blanket I was tucking in around my wife’s feet. By the time I turned around to look in the sky it was gone.
meteorites……………@Luisrent: Thomas Jefferson refused to believe that rocks could fall out of the sky.