Summary January 11 2006. The wobble technique assumes that a star will physically be perturbed by the orbit of a planet around it and the resulting motion of the star’s spectral lines can be observed. The wobble technique has been the most successful to date in finding exoplanets.
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If you draw lines from your eye to each of two stars, the angle between these lines is the angular distance between these two stars
The adult human hand held at arm’s length provides a means of estimating angles
1° = 60 arcmin = 60´
1´ = 60 arcsec = 60”
D = linear size of object
a = angular size of object (in arcsec)
d = distance to the object