ADJECTIVE
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pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun
the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)
the heliacal rising of the Dog Star
How To Use heliac In A Sentence
- The Greeks and Romans, with fairly useless calendars, continued to depend upon observing the heliacal risings and settings of stars.
- All ancient astrologers placed the greatest significance upon heliacal risings and settings and ancient Mesopotamian astrology was also heavily predisposed to observance of this kind of planetary phenomena.
- Among listed birds and mammals are: golden eagle Aquila chrysaetus, imperial eagle Aquila heliaca, peregrine Falco peregrinus, black-winged stilt Himantopus himantopus, snow leopard Uncia uncia (EN, Globally threatened), manul cat Felis manul, Mongolian gazelle Procapra guttorosa; (LR, Globally Threatened) and Altai argali Ovis ammon ammon (VU, Globally Threatened). Golden Mountains of Altai, Russian Federation
- It is possible that all the planetary orbs originate from an early attempt to record heliacal obscurity.
- Raptors amongst the stabilised sands include 15 breeding pairs (about a tenth of the world's population) of the Spanish imperial eagle Aquila heliaca adalberti (VU), black vulture Aegypius monachus, short-toed eagle Circaetus gallicus, booted eagle Hieraaetus pennatus, buzzard Buteo buteo, black kite Milvus migrans, black-shouldered kite Elanus caeruleus, red kite M. milvus, and hobby Falco subbuteo. Doñana National Park, Spain
- the heliacal rising of the Dog Star
- the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)
- Swart star: the Dogstar, called swarthy because its heliacal rising in ancient times occurred soon after midsummer. Notes: Book Second. Palgrave, Francis T