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In ancient Greek religion and mythology, Helios (/ ˈ h iː l i ə s,-ɒ s /; Ancient Greek: Ἥλιος pronounced [hɛ̌ːlios], lit. 'Sun'; Homeric Greek: Ἠέλιος) is the god who personifies the Sun. His name is also Latinized as Helius, and he is often given the epithets Hyperion ("the one above") and Phaethon ("the shining").
In physical cosmology, the baryon asymmetry problem, also known as the matter asymmetry problem or the matter–antimatter asymmetry problem, [1] [2] is the observed imbalance in baryonic matter (the type of matter experienced in everyday life) and antibaryonic matter in the observable universe.
The portion of the universe that can be seen by humans is approximately 93 billion light-years in diameter at present, but the total size of the universe is not known. [3] Some of the earliest cosmological models of the universe were developed by ancient Greek and Indian philosophers and were geocentric, placing Earth at the center.
Chaos (Ancient Greek: χάος, romanized: Kháos) is the cosmological void state preceding the creation of the universe (the cosmos) in early Greek cosmology. It can also refer to an early state of the cosmos constituted of nothing but undifferentiated and indistinguishable matter .
Surya, the Sun god, rides across the sky in a horse-drawn chariot à la Helios and Sol. Aruna, charioteer of Surya, god of the morning Sun. Aryaman, god of the midday Sun. Savitr, god of the twilight Sun, also known as sunrise and sunset. Mitra, often associated with the Sun. Mihir, meaning Sun. Tapati, Sun goddess.
In physical cosmology, baryogenesis (also known as baryosynthesis [1] [2]) is the physical process that is hypothesized to have taken place during the early universe to produce baryonic asymmetry, the observation that only matter and not antimatter (antibaryons) is detected in universe other than in cosmic ray collisions.
The priestess of the oracle at Delphi became known as the Pythia, after the place-name Pytho, which Greeks explained as named after the rotting (πύθειν) of the slain serpent's corpse in the strength of Hyperion (day) or Helios (the sun). [12] Karl Kerenyi notes that the older tales mentioned two dragons who were perhaps intentionally ...
The sun and moon are both small compared to the earth; Another important element of early Greek cosmology that would distinguish it from the ancient Greek astronomy that would come to dominate in later centuries was the emphasis on the role of the gods in the past and ongoing history of man and the mythological nature of the surrounding world. [5]