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Private Notes
The planets, stars and galaxies.
The celestial sphere serves as a model to help describe and organize the night sky; how different cultures named stars and constellations.
The motion of earth around the sun and its yearly cycle.
Observations, theories and contributions of Aristotle, Ptolemy and others.
What light is and the tools used to collect it.
The interactions of atoms and light; spectral classes.
The thermonuclear process in the core of the sun; identifying layers of the interior and atmosphere.
Finding distance to nearby stars; binary stars.
Stellar evolution; ingredients needed to produce a star include dust, gas and gravity; the role mass plays in the life and death of a star.
The life and death of stars.
Objects that remain after the deaths of large stars, neutron stars and black holes; gamma-ray bursts and hypernovae.
The Milky Way's size and scale; the anatomy of the galaxy and mapping techniques.
The classification of galaxies; distance indicators; the Hubble Law; Saros cycle.
Active galaxies, from Seyfert galaxies and blazars to quasars.
Evidence supports the big bang theory; dark energy.
Solar nebula theory; the detection of planets around distant stars.
The stages of differentiation, cratering, flooding and surface evolution; plate tectonics.
The processes that allowed planets to grow so large; Jupiter's tidal heating; Saturn's interior and atmosphere; ice giants Uranus and Neptune.
The composition of meteorites; asteroids; characteristics of comets; the demise of the dinosaurs.
The early seeds of life on Earth may have been delivered by comet impacts; Europa's subsurface ocean.
