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The nearest star to our solar system is 4.29 light years away . How much is this distance in terms of parsecs? How much parallax would this star [named Alpha centauri] show when viewed from two locations of the earth six months apart in its orbit around the Sun
Asked by rimjhimpal105 | 16 Nov, 2023, 11:26: AM
answered-by-expert Expert Answer
Distance of Star from solar system = 4.29 light-year
 
1 parsec distance  = 3.26 light year
 
Hence 4.29 light year in term of parsec = 4.29 / 3.26 = 1.316 parsec
 
A star at a distance of one parsec would have a parallax of one second .
 
Parallax in seconds of arc is the reciprocal of distance of star in parsecs .
 
Parallax in seconds of arc = 1/1.316 seconds = 0.76 seconds
Answered by Thiyagarajan K | 18 Nov, 2023, 12:45: AM

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