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In that corrected drawing, where should the student place the Sun?
AThe edge
BOne focus
CBoth foci
DThe centre
Answer & Solution
Correct answer: B. One focus
1. An ellipse has two foci.
2. Only one of them is occupied.
3. The Sun sits at one focus.
_Source: OpenStax Astronomy 2e, Chapter 3, Orbits and Gravity._
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