Define a parallactic second?
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Parallactic second is the unit of distance because parallactic second is abbrevistion of parsec.
Parsec = Parsec is the unit for larger distances.It is the distance at which a star would make parallax of one second of arc.
1 parsec =3.26 light years
The physical meaning of parsec can be explained as the distance at which the line drawn through Earth's centre and the Sun will intersect substending a 1 second angle with each other.
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BRAINLIEST ANSWER
Parallactic second is the unit of distance because parallactic second is abbrevistion of parsec.
Parsec = Parsec is the unit for larger distances.It is the distance at which a star would make parallax of one second of arc.
1 parsec =3.26 light years
The physical meaning of parsec can be explained as the distance at which the line drawn through Earth's centre and the Sun will intersect substending a 1 second angle with each other.
HOPE IT HELPS YOU
BRAINLIEST ANSWER
Answered by
34
Answer: It is a distance at which an arc is equal to the length of one astronomical unit makes an angle of 1' (i.e. one sec) is called parallactic second
1par sec = 3.1 ×10^16 m
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