Parallax

Highlights

• ›The one direct, geometric distance measurement

Builds on

• Gaia

Knowledge connections

• Member of groupAstrometry & Motion
• Associated withGaia
• Associated withRR Lyrae Stars
• Associated withThe International Celestial Reference System
• Associated withDistance Modulus
• Associated withParallax Distance
• Associated withThe Equatorial Coordinate System
• Associated withThe Aberration of Light

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

• ESAEuropean Space Agency

  European missions, observatories, and space science imagery.