Using Eclipse Glasses to Verify Scale of the Solar System Walk Each semester my students and I make a scale model of the solar system. We begin with a bowling ball 8 inches in diameter to represent the Sun. Students then calculate the sizes of all the planets to scale and small groups make models from … More Using Eclipse Glasses to Verify Scale of the Solar System Walk
On Monday I attended a lecture, really more of a chat, with Katherine Moore, daughter of Katherine G. Johnson. Mrs Katherine G. Johnson is one of the three main characters in the book Hidden Figures, a story about a small but important part of the American space program, I arrived early to find the auditorium … More Hidden Figures Computer “Just doing my job”
I’ve just begun reading Hidden Figures, the chosen book for Greensboro’s”One City OneBook” project this year. Tomorrow, Monday, September 18 at the Greensboro History Museum, the daughter of Katherine Johnson will be speaking about her mother. Program to begin at 10:30. So far in this amazing story, here are a few of the nuggets I’ve … More Nuggets of Gold from Hidden Figures
The Rise of the Rocket Girls launch itself right off the bookshelf and into my hands. Like many students of astronomy, I was painfully aware of the poor job our field has done in welcoming women, and women of color. Written by Nathalia Holt and published in 2016, this book holds the stories of many … More Rocket Girls and Hidden Figures
Click here for my shadow bands movie.
Introduction to Scientific Inquiry Big Idea: The night sky can present many patterns and rhythms to the astronomer. In pre-technological times, everyone was aware of the nighttime sky. We can share the beauty of the star-filled night sky with family and friends. Use Uncle Al’s Star Wheel with RA and Dec noted on sky map … More The Nighttime Sky
Monday is just around the corner, and we are on our way to the path of totality. I’m scheduled to speak at the Unitarian Universalist Congregation of Columbia Monday from 12:30 to 1:00. I hope to broadcast that live on Periscope. So I’ve got my talk stuff in one bag. The during the eclipse … More Total Eclipse: Here we come!
I was scheduled assist at Cline Observatory this past Friday,. Clouds kept us from opening the dome, but here’s a brief glimpse into what we had planned: Jupiter mag -1.3, 5.9 AU (51 Light Minutes) NGC 5897 (GC) mag 8.6, 12.1 kpc, receding at 10 km/s, arc of three 8th mag stars Alpha Librae … More Observing plan for Friday, August 11
What I Learned From Brian Greene This Summer I enjoy watching Brian Green on Colbert or sparring with Richard Dawkins. Several years ago I read his book “The Elegant Universe.” His way of presenting and explaining concepts was easy on the physics jargon and abundant in the joy. I got a paperback copy of Greene’s … More What I Learned From Brian Greene This Summer
Go to the pull-down-menu “Want to Show Support?” on my blog homepage, click that you “like” the page, click on one or more of the causes listed, then contribute. That will show how much you value the astronomy content I provide. I thank all of you for choosing to read some of my thoughts and … More What’s this “show support” all about?