Joseph A'Hearn
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Learn the Northern Summer Constellations

Learn the Northern Summer Constellations

by Joseph A'Hearn | Jun 30, 2023 | Astronomy, Basics, Featured, Observational Astronomy, Science & Faith

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...
My Astronomy Lectures Are Now Public on YouTube

My Astronomy Lectures Are Now Public on YouTube

by Joseph A'Hearn | Mar 3, 2023 | Astronomy, Basics, Cosmology, Eclipse, Featured, Observational Astronomy, Outreach, Science & Faith

Now that I’ve transitioned from teaching high schoolers during my PhD research years to working in industry, I’ve decided to make my lecture videos public. My course is from my perspective as a Catholic scientist and is divided in two halves:• The History of...
Extraterrestrials, AI, and Minds Beyond the Human

Extraterrestrials, AI, and Minds Beyond the Human

by Joseph A'Hearn | Jun 6, 2021 | Astronomy, Featured, Outreach, Science & Faith

“Extraterrestrials, AI, and Minds Beyond the Human” was the title of the Society of Catholic Scientists Conference that was held June 4-6, 2021. Members met in Washington, D.C., while others (like myself) tuned in to a livestream of the talks. Here I do...
Debuting My High School Astronomy Course on the Kepler Education Platform

Debuting My High School Astronomy Course on the Kepler Education Platform

by Joseph A'Hearn | Jun 29, 2020 | Astronomy, Basics, Featured, Outreach, Science & Faith

Online High School Astronomy - Fall 2020 This Fall I will be teaching Astronomy for high schoolers on the Kepler Education platform. You can view and sign up for my course...
Astronomy Interview

Astronomy Interview

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...
Why Does Spring Start March 20?

Why Does Spring Start March 20?

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...
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