
Explore what defines a planet and the edge of the solar system, with a flexible pacing plan for homeschooling or credit tracks, plus a warm-up to identify three planet criteria.
Explore why Pluto lost its planet status. Learn the new planet definition, and what lies at the edge of the solar system, including the Kuiper Belt and the Oort Cloud.
Explore where the solar system ends and interstellar space begins, from the Kuiper Belt to the Oort Cloud, and how the sun's gravity and solar wind shape this frontier.
Access test questions and downloadable answers from the resource folder, then answer them to test your understanding. Pause to view answers and quiz yourself to reinforce learning.
Explore cross curricular activities that connect the lesson to English and public speaking, linking Pluto and space concepts to broader scholastic topics for deeper understanding of the curriculum.
Aligns Pluto and the edge of the solar system curriculum with state science standards and New Jersey examples, cites NASA images, and dedicates the lesson to Hawking, Mildenhall, and family.
Explore how astronomy studies celestial objects beyond earth’s atmosphere, including light and spectra. Learn how light, distance measures like astronomical units and light years, and telescopes reveal universe and galaxies.
Explore how solar eclipses happen as the moon blocks the sun, detailing total, partial, and annular types, plus umbra, penumbra, and the corona.
Understand how meteor showers occur as Earth passes through comet debris; observe meteors with naked eye from a dark site, lying down for an hour.
Explore the aurora, aka the northern lights, from Earth's magnetic shield and solar wind to the aurora borealis and australis, with practical photography tips for observing them.
Pluto and the Edge of the Solar System
Why isn't Pluto a planet anymore? Did it change, or did our understanding of it change? Explore why our "new solar system" has only eight planets AND thousands of previously undiscovered objects like Pluto at the outer edges of the solar system.
This Course includes the following great BONUS LESSONS:
What on Earth is Astronomy?
Mini-Lesson: Eclipses
Mini-Lesson: Meteor Showers
Mini-Lesson: Aurora
Project Artemis: America Returns to the Moon
Pluto and the Edge of the Solar System
1. Objective
2. Warm-up activity
3. Description of a solar system and what defines its boundaries
4. Planet discovery methods and timings
5. In-depth discussion of Pluto’s discovery, naming and eventual classification as a dwarf planet
6. Pluto’s moons
7. Old and new definitions of a planet
8. The international astronomical union and its responsibilities
9. Planetary elliptical orbits
10. The Kuiper Belt
11. Moons of the outer Solar System
12. Dwarf planets, including Eris and Ceres
13. Pluto’s temperatures and surface features
14. New Horizon space probe’s visit to Pluto
15. Test questions
16. Cross-curricular activities
My name is Tony Ceraso and I will be your instructor. I sometimes run the planetarium and have written curriculum for the National Air and Space Museum in Washington, DC. I have also written curriculum for NASA’s school visitation program and teach on the college level in NJ.
My goal is for you to thoroughly enjoy this lesson. I love astronomy and I want nothing more out of our time together than for you to have a greater appreciation for the universe through the understanding of this material. Besides the lesson I’m going to preview for you now, the course includes warm up activities, test questions, and cross-curricular activities for you to download as a supplement.