katieleeisaacs4608 katieleeisaacs4608
  • 03-06-2023
  • Physics
contestada

The average orbital radius of a star around a galactic black hole has an angular size of 1.20 arcsecond when observed from a distance of 8.50 kpc. What is the orbital radius in kilometers?
For the same star mentioned in Part 1, what is the orbital radius in astronomical units?

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