| The heliacal rising of a constellation is when it comes from under the rays of the sun, and begins to appear before daylight. |
| The Atharvaveda calls Rohini the devoted wife of Rohita, the rising sun, which suggests heliacal observation. |
| I do not see how the heliacal rising of Sirius in any one year could help them to determine its length. |
| Implying hereby the heliacal ascent and Cosmical descent of those stars. |
| This period, measured thus by the heliacal rising of Sothis, is spoken of as the Sothic cycle. |
| It is possible that all the planetary orbs originate from an early attempt to record heliacal obscurity. |
