Meaning of Parsec

English: Parsec
Bangla: পারসেক
Type: Unknown / অজানা / अज्ञात

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Definition: 1

a unit of distance equal to that required to cause a heliocentric parallax of one second of an arc, equivalent to 206,265 times the distance from the earth to the sun, or 3.26 light-years.

Definition: 2

a unit of astronomical distance equal to the distance from earth at which stellar parallax would be 1 second of arc; equivalent to 3.0857 × 1016 m or 3.262 light years