Conic Sections: Parabolas
- When the eccentricity
equals one, a parabola
results
- Note that a parabola is
"closed" at infinity!
Conic Sections: Hyperbolas
- When the eccentricity is
greater than one, a hyperabola results
- Note that a hyperola is not "closed",
but rather it is "open"
![ConicSections3.jpg (91731 bytes)](../../../../Multimedia/Images/CelestialMechanics/ConicSections3b.jpg)
Click on
the above image (from Zeilik & Gaustad, 1990) to enlarge
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