porrima

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= = = = =Porrima=

Virgo's Constellation Friends

 * Auva || [[image:spika.jpg]]Spica ||

About Porrima
(Go west of the big dipper to Bootes, then south to Virgo) (Porrima is named after the Greek god of the harvest)

Parallax
(Parallax is the angle of apparent movement from looking at something from 2 points) (d=1/p)
 * 1) look at a star from two points (the 2 sides of the sun).
 * 2) measure the parallax angle