by Joseph A'Hearn | May 7, 2020 | Astronomy, Basics, Eclipse, Featured, Observational Astronomy, Outreach, Science & Faith
On Astronomy, Calendars, and Pluto's Status 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...
by Joseph A'Hearn | Nov 18, 2019 | Uncategorized
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...
by Joseph A'Hearn | Apr 12, 2018 | Astronomy, Basics, Featured, Outreach
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...
by Joseph A'Hearn | Apr 5, 2018 | Administrative, Astronomy, Basics, Outreach
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...
by Joseph A'Hearn | Mar 14, 2018 | Astronomy, Basics, Featured, Science & Faith
The first day of spring and the first day of fall happen on equinoxes, when the plane of Earth’s equator passes through the Sun’s center. Day and night are appoximately (but not exactly) of equal length. Before Julius Caesar introduced his calendar in 45...
