Assertion: star's ascension | /r/HasProperty | ra
Facets:
Source sentences:
text: The celestial sphere is mapped in Right Ascension (RA) and Declination (Dec).
text: Right ascension (RA) specifies how far the position is around the celestial equator, similar to how longitude specifies the distance around the equator from the Prime Meridian (longitude=zero).
text: A star lying anywhere on the right ascension line through the First Point of Aries has a right ascension (RA) = zero.
text: Here's a slice of sky bisected by the celestial equator with hours of right ascension (RA) labeled along the top and declination (Dec.) at left.
text: The East-West co-ordinate on the Celestial Sphere is Right Ascension (RA), similar to longitude on Earth.
text: It remains to fix the zero point of the longitudinal coordinate, called Right Ascension ( RA ).
text: The spherical coordinate right ascension (RA) is the arc distance eastward along the celestial equator from the vernal equinox to the hour circle (see Glossary) of the star.
text: Right Ascension [RA], gives the position of a celestial body in relationship to lines from the NCP to the SCP, intersecting the Celestial Equator halfway in between at right angles.