A unit of distance used in astronomy is the parsec (pc): 1 pc = 3.26 ly. The dis

Question

A unit of distance used in astronomy is the parsec (pc): 1 pc = 3.26 ly. The distance to a 'nearby" star-forming region, is 298 pc. First find the distance d to this star-forming region in light-years. Next calculate how many seconds are in a year, then how many meters are in a light-year. Finally, find the distance to the star-forming region in meters. Don't just look up the conversion factors: figure them out, showing your work, given that there are approximately 365.25 days per year and that light travels at approximately 299,800 km/s. distance in light-years 971.48 seconds in a year 31557600 s 299800000 meters in a light-year Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully, m 9.7387 distance in meters Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. m

Explanation / Answer

Distance in light year is 298×3.26=971.48 ly

Seconds in a year is 365.25×24×60×60=31536000 seconds

Meters in a light year is 9.46×10^15 meter

Distance in meters is 299800 km per second i.e. 299800000 m/s. Total second in a year is 31536000.

So total distance is 299800000×31536000 =945449280000000 m

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