In the fictional Star Trek: Voyager
, the Astrometrics
center is the set
for various scenes.
is the science
measurements and motion
. Astrometrics was used, during the 1990s
, to detect extrasolar gas giants
orbiting various solar systems. This was done by observing the "stellar wobble" of a star and calculating what kinds of gravitational
forces would cause such motion; it was then determined that planetary
forces must be affecting the stars in question.