Some Light Questions

Radiation Trivia Quiz on Periscope   Monday, January 29, 2018 On Monday, January 29, I held a trivia contest on my Periscope broadcast.  Today’s topic?  RADIATION!  Don’t make light of the topic.  How many can you get correct? What is the most energetic form of electro=magnetic radiation? Who made the first measurement of the speed of … More Some Light Questions

People in Astronomy

On Mondays I’ve been holding an astronomy trivia contest.  Today, we focused on some astronomers.  Here are my questions.  See how many you can answer correctly before you look at the answers at the bottom of the page. People in Astronomy Periscope Trivia Questions January 22, 2018 Who was the first astronomer to determine that … More People in Astronomy

Will Radley and Speaar40 are Tops in Knowing Solar System Astronomy Mistakes

What mistakes have been made in the astronomy of our Solar System?  I picked out ten big ones and offered them to my Periscope viewers. How many of the questions below can you answer correctly without looking? In a competition with 894 Live Viewers on January 15, two players both got three correct. WARNING:  I … More Will Radley and Speaar40 are Tops in Knowing Solar System Astronomy Mistakes

How well do you know your Winter Sky? DanSmitsSalon does!

Winter Constellations Trivia Quiz This constellation contains the first eclipsing variable discovered (Algol) It is also the radiant for one of the best meteor showers, this one from Comet Swift-Tuttle, peaks August 11-12. This constellation contains an Open Cluster (OC) whose Japanese name is Subaru It’s also the site of the 1054 Supernova that created … More How well do you know your Winter Sky? DanSmitsSalon does!

Astrophysics for People Who Have Time

Astrophysics for People Who Have Time? After reading Neil DeGrasse Tyson’s new book Astrophysics for People in a Hurry, I began to wonder.   What information was left out for brevity’s sake? What questions were left unasked, or unanswered? What topic and concepts were glossed over or ignored all together? I enjoyed this book; I enjoy … More Astrophysics for People Who Have Time

Time

Time What do we call the duration of 9, 192, 631, 770 cycles of the radiation from the transition between two hyperfine levels n the ground state of caesium -133? Answer:   A second What do we call the time between successive transits of the Sun across an observer’s meridian? Answer: apparent solar day What do … More Time