If the Orbital Velocity of an Eclipsing Binary Is 97

question 72

Multiple Choice

If the orbital velocity of an eclipsing binary is 97 km/sec and the smaller star is completely eclipsed in 2 hours, what is the diameter of the smaller star?

• A) 175,000 km
• B) 350,000 km
• C) 194 km
• D) 700,000 km
• E) 4656 km

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