Asteroids Clusters Comets Concepts Constellations Galaxies Moons Nebulae Planets and Moons Stars Surface Features

Menus

Catalogues

Tools and Links

Ras Alhague
Rasalhague, Alpha Ophiuchi, 55 Ophiuchi
This white star is the brightest in the constellation of Ophiuchus, the Serpent Holder, and its name means 'Head of the Serpent Holder'. Its variable brightness and peculiarities in its spectrum suggest that it may be surrounded by a dense cloud of material.

Relative Galactic Position of Ras Alhague
The Galactic position and direction of Ras Alhague relative to Earth's Sun. Note that, at this extreme scale, the two stars are effectively in the same place.
Indexes
  • Main Index
  • Star Names Index
  • Bayer Stars Index
  • Flamsteed Stars Index
  • Related Entries
  • Ophiuchus