Katharine A's Enrolled Lessons
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8 minScience lesson5 CQ
Get an introduction to galaxies, from how they were initially observed on Earth, to the different forms they take, to the position of our own Milky Way galaxy.
with AstronomicGet an introduction to galaxies, from how they were initially observed on Earth, to the different forms they take, to the position of our own Milky Way galaxy.
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7 minScience lesson4 CQ
Sebastian of Astronomic describes the structure and types of spiral galaxies in this lesson, delving into Edwin Hubble's classification system.
with AstronomicSebastian of Astronomic describes the structure and types of spiral galaxies in this lesson, delving into Edwin Hubble's classification system.
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8 minScience lesson5 CQ
Sebastian introduces elliptical galaxies, from their shape and age, to their physical nature, to the black holes that lurk at their centers.
with AstronomicSebastian introduces elliptical galaxies, from their shape and age, to their physical nature, to the black holes that lurk at their centers.
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9 minScience lesson5 CQ
The Milky Way contains much, much more than just the Solar System! Sebastian of Astronomic describes the shape, origin, and qualities of this special galaxy.
with AstronomicThe Milky Way contains much, much more than just the Solar System! Sebastian of Astronomic describes the shape, origin, and qualities of this special galaxy.
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8 minScience lesson5 CQ
Learn about the components of spiral galaxies, and how these features differ from galaxy to galaxy, and the two main theories as to how spiral galaxies form.
with AstronomicLearn about the components of spiral galaxies, and how these features differ from galaxy to galaxy, and the two main theories as to how spiral galaxies form.
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9 minScience lesson5 CQ
Learn about the shapes, features, and interactions of the third category of galaxy— irregular galaxies—which includes colliding and merging galaxies.
with AstronomicLearn about the shapes, features, and interactions of the third category of galaxy— irregular galaxies—which includes colliding and merging galaxies.
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8 minScience lesson5 CQ
Active galaxies are luminous and highly energetic. In this lesson, Astronomic introduces two galaxy types with active galactic nuclei: Seyferts and quasars.
with AstronomicActive galaxies are luminous and highly energetic. In this lesson, Astronomic introduces two galaxy types with active galactic nuclei: Seyferts and quasars.
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9 minScience lesson5 CQ
Explore your galactic neighborhood by learning all about the Local Group and the Local Supercluster of galaxies, of which the Milky Way is one of many members.
with AstronomicExplore your galactic neighborhood by learning all about the Local Group and the Local Supercluster of galaxies, of which the Milky Way is one of many members.
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10 minScience lesson6 CQ
Astronomic explains the stages and composition of interstellar clouds of gas and dust, known as nebulae, and supernovas (or supernovae), explosive star death.
with AstronomicAstronomic explains the stages and composition of interstellar clouds of gas and dust, known as nebulae, and supernovas (or supernovae), explosive star death.
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9 minScience lesson5 CQ
Dark matter cannot be seen with telescopes, and dark energy permeates all of space, expanding the universe. Learn about these physics mysteries in this lesson!
with AstronomicDark matter cannot be seen with telescopes, and dark energy permeates all of space, expanding the universe. Learn about these physics mysteries in this lesson!