cphsastronomy

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Ch 20 -galaxies
porcphsastronomy
 
Ch 19 -life and death of stars
porcphsastronomy
 
Other suns
porcphsastronomy
 
Ch 17 -our dynamic sun
porcphsastronomy
 
Ch 16 -cometsmeteorsasteroids
porcphsastronomy
 
Ch 15 -the five dwarfs
porcphsastronomy
 
Ch 14 -neptune
porcphsastronomy
 
Ch 12 -saturn1b
porcphsastronomy
 
Ch 13 -uranus
porcphsastronomy
 
Ch 11 -jupiter
porcphsastronomy
 
Ch 10 -mars
porcphsastronomy
 
Ch 9 -venus
porcphsastronomy
 
Ch 8 -mercury
porcphsastronomy
 
Ch 7 -moon (2)
porcphsastronomy
 
Ch 7 -earth
porcphsastronomy