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Learn the Northern Summer Constellations

Learn the Northern Summer Constellations

Although Summer nights can be short, at least it's warmer! If you're outside under a starry Summer sky (in the Northern Hemisphere), here are the constellations you can learn to identify.    Note: All the images below are screenshots I took from the free...

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Brilliant Chess Moves from My Recent Games

Brilliant Chess Moves from My Recent Games

I've been playing on Chess.com since late 2018. You can find me here or by searching for DoctorAragorn.  I'm what you might call a serious hobbyist.  After each game ends, a Chess.com engine classifies every move into one of the following categories:• Blunder: A very...

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Making Quick Plots with Python and Matplotlib

Making Quick Plots with Python and Matplotlib

Imagine being able to generate a plot with only one line of code. After I had spent some time coding in Python and generating plots in Matplotlib, I decided to make some shortcuts for each time I wanted to see a simple plot. Although plot_assistant was born in 2017,...

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April-May Crash Course in Astronomy Is Open

April-May Crash Course in Astronomy Is Open

"Astronomy is so cool, but it's all over my head," is a concept I hear a lot. This may be the case for you, but it doesn't have to stay that way. In just 7 weeks, I can bring you up to speed with my Astronomy crash course.  The first half of the course takes a...

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Astronomy Interview

Astronomy Interview

Joffre Swait from Kepler Education interviewed me on various topics of astronomy this afternoon. We talked about the calendar, why Pluto is not a planet, the Astronomy course I'm offering this Fall with Kepler Education, and more.

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Website Updates

Website Updates

After a year-and-a-half hiatus from blogging, I intend to resume semi-regular blog posts, but with significant changes to my website. I'm moving from the somewhat playful josephskywalker.com to the more professional jahearn.com. This is in part due to my...

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Astronomy Q&A Live Stream

Astronomy Q&A Live Stream

On April 9 I hosted my first Astronomy Q&A live stream on Facebook. I responded to questions about the planets and then to questions made to me by viewers of the live stream. It was fun but wore me out. If I do another live stream in the future, I may reduce the...

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Astronomy Q&A Live Stream Announcement

Astronomy Q&A Live Stream Announcement

After getting your feedback, I've scheduled my first Astronomy Q&A live stream for Monday, April 9, at 6:45 pm Pacific Time via Facebook Live. I'll start out by answering questions about the planets that middle- and high-schoolers of Summit Academy in Cottonwood...

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