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Hércules (constelación)
De Wikipedia, la enciclopedia libre
Recibe su nombre del héroe mitológico, Hércules y es la quinta en tamaño de las 88 constelaciones modernas. También era una de las 48 constelaciones de Ptolomeo.
[editar] Características destacables
No tiene estrellas de primera magnitud, siendo la más brillante β Herculis con magnitud 2,78. μ Herculis se encuentra a 27,4 años luz de la Tierra. El Ápex solar (punto del cielo que indica la dirección hacia la que se mueve el Sol en su órbita alrededor del centro de la galaxia) se encuentra en Hércules, cerca de ξ Herculis.
[editar] Estrellas principales
- α Herculis (Ras Algethi o Rasalgethi), de magnitud 3,31, es un sistema estelar triple, cuya estrella principal es una gigante roja variable.
- β Herculis (Kornephoros), la más brillante de la constelación con magnitud 2,78, una estrella gigante amarilla.
- γ Herculis, gigante blanca de magnitud 3,74. Es una binaria espectroscópica con un período orbital de 11,9 días.
- δ Herculis (Sarin), estrella blanca de magnitud 3,12; es una estrella binaria cuyas componentes han sido resueltas por interferometría.
- ε Herculis, binaria espectroscópica de magnitud 3,91.
- ζ Herculis, la segunda más brillante de la constelación con magnitud 2,89, estrella doble formada por dos estrellas amarillas de desigual brillo.
- η Herculis, gigante amarilla de magnitud 3,49.
- θ Herculis, gigante luminosa naranja de magnitud 3,85.
- ι Herculis, subgigante azul de magnitud 3,79; tres estrellas más completan este sistema estelar cuádruple.
- κ Herculis A y κ Herculis B, dos gigantes que forman una doble óptica.
- λ Herculis (Maasym), gigante naranja de magnitud 4,40.
- μ Herculis, sistema estelar cercano que dista del Sistema Solar 27,4 años luz.
- π Herculis, gigante naranja de magnitud 3,16.
- ρ Herculis, estrella doble cuyas componentes, separadas 4 segundos de arco, brillan con magnitud 4,56 y 5,42.
- τ Herculis, estrella B pulsante lenta (SPB) con una tenue compañera a 7,6 segundos de arco.
- χ Herculis, enana amarilla de baja metalicidad que se encuentra a 52 años luz de distancia.
- ω Herculis (Kajam), de magnitud 4,57.
- 8 Herculis, estrella blanca de magnitud 6,13 que forma una doble óptica con Kappa Herculis —separación 0,2º—.
- 14 Herculis, enana naranja a 59,2 años luz con una enana marrón o planeta gigante alrededor. En 2006 se descubrió un posible segundo compañero, aún sin confirmar.
- 30 Herculis (g Herculis), gigante roja y variable semirregular cuyo brillo oscila entre magnitud 4,3 y 6,3 en un ciclo de 89,2 días.
- 68 Herculis (u Herculis), binaria eclipsante en donde existe transferencia de masa desde la secundaria hacia la primaria.
- 72 Herculis (w Herculis), enana amarilla similar al Sol a 47 años luz de distancia.
- 89 Herculis, supergigante amarilla en las etapas finales de su evolución estelar.
- 95 Herculis, estrella binaria compuesta por una gigante blanca y una gigante amarilla separadas 6,3 segundos de arco.
- 99 Herculis, binaria de baja metalicidad cuya primaria es una enana amarilla de magnitud 5,20.
- 101 Herculis, gigante blanca de magnitud 5,11.
- 109 Herculis, gigante naranja de magnitud 3,84, la duodécima estrella más brillante de la constelación.
- 111 Herculis, estrella blanca de magnitud 4,35.
- X Herculis, variable pulsante semirregular cuyo brillo varía entre magnitud 6 y 7 en un período de 95 días.
- SZ Herculis y FN Herculis, binarias eclipsantes de magnitud 9,94 y 11,08 respectivamente.
- UX Herculis, binaria eclipsante de magnitud 9,05; durante el eclipse principal su brillo disminuye 1,16 magnitudes.
- OP Herculis, gigante luminosa roja variable entre magnitud 5,85 y 6,73.
- HD 147506, subgigante amarilla en donde se ha detectado un planeta masivo (HAT-P-2b) en una órbita excéntrica cercana a la estrella.
- HD 149026, estrella subgigante con un planeta cuya masa es similar a la de Saturno.
- HD 154345, enana amarilla a 58,91 años luz con un planeta extrasolar.
- Gliese 623, estrella binaria compuesta por dos enanas rojas.
- Gliese 686 y Gliese 649, enanas rojas a 26,5 y 33,7 años luz respectivamente; la segunda de ellas posee un planeta.
- HD 155358, estrella de baja metalicidad con dos planetas que interactúan gravitacionalmente.
- Gliese 638 y HR 6806, enanas naranjas situadas respectivamente a 31,9 y 36,2 años luz de distancia de la Tierra.
- GD 362, enana blanca con un anillo similar a los de Saturno.
- http://es.wikipedia.org/wiki/H%C3%A9rcules_(constelaci%C3%B3n)
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Messaggio 2 di 63 di questo argomento |
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Adam and Eve and the Serpent
We are looking at the Zodiac where the sun passes through Libra and Virgo. There, we find our two original sinners and the talking snake. The story interprets the picture.
God formed beasts and birds, and brought them to the man to be named. - The term Zodiac means literally circle of animal figures.
9So out of the ground the LORD God formed every beast of the field and every bird of the air, and brought them to the man to see what he would call them; and whatever the man called every living creature, that was its name. (Gen. 2:9)
God took a rib from the man and used it to create a woman. - Adam's arm is raised, exposing his rib cage.
21So the LORD God caused a deep sleep to fall upon the man, and while he slept took one of his ribs and closed up its place with flesh; > 22and the rib which the LORD God had taken from the man he made into a woman and brought her to the man. (Gen. 2:21)
The serpent asked Eve if she was told not to eat from the garden. -The serpent lies at the feet of Adam and Eve.
1Now the serpent was more subtle than any other wild creature that the LORD God had made. He said to the woman, "Did God say, 'You shall not eat of any tree of the garden'?" (Gen. 3:1)
Eve saw the fruit was good for food, so she picked it and ate it. She gave some to Adam. - Eve has her arm outstretched as if reaching for the fruit. She is holding a chaff of wheat, but we will not quibble over whether the fruit was an apple or some other kind of fruit.
6So when the woman saw that the tree was good for food, and that it was a delight to the eyes, and that the tree was to be desired to make one wise, she took of its fruit and ate; and she also gave some to her husband, and he ate. (Gen. 3:6)
The serpent was cursed above all the wild animals. - There is a second serpent, one that circles around the North Pole every day without setting. That puts him above all the wild animals. In this position, he is glaring down on earth as if to be spreading evil.
14The LORD God said to the serpent, "Because you have done this, cursed are you above all cattle, and above all wild animals; (Gen. 3:14)
He shall bruise your head and you shall bruise his heel. - As Draco circles around the Pole, his head is either below or above Hercules' heel. The top position represents who is doing the bruising.
15I will put enmity between you and the woman, and between your seed and her seed; he shall bruise your head, and you shall bruise his heel."(Gen. 3:15)
He drove out the man. At the east of the garden he placed a cherubim and a flaming sword. - We will pass over the cherubim for some other time. The flaming sword is represented by Perseus' sword as it circles around the Pole. We note that Perseus is close to the sun's ecliptic near Taurus and Aries. The significance is that those two constellations mark the two zero hours during the 4,000 years of biblical history, or more specifically, where the sun passes during the vernal equinox. So Perseus' sword is in a sense at the entrance to Eden.
24He drove out the man; and at the east of the garden of Eden he placed the cherubim, and a flaming sword which turned every way, to guard the way to the tree of life. (Gen. 3:24)
Salvation
What is equally significant is the fact that the foundation of the doctrine of Christian original sin rests on the credibility of the fall of Adam and Eve. (See Original Sin.) Now that we can see that the first sin was in imaginary story, there is nothing to support the doctrine of salvation.
The downfall of Adam and Eve and their expulsion from the Garden of Eden, by Michalangelo.
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Messaggio 3 di 63 di questo argomento |
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Pillars of Hercules
From Wikipedia, the free encyclopedia
The Pillars of Hercules — Gibraltar (foreground) and North Africa (background)
The Pillars of Hercules (Latin: Columnae Herculis, Greek: Ἡράκλειοι Στῆλαι, Arabic: أعمدة هرقل, Spanish: Columnas de Hércules) was the phrase that was applied in Antiquity to the promontories that flank the entrance to the Strait of Gibraltar. The northern Pillar is the Rock of Gibraltar in the British overseas territory of Gibraltar. A corresponding North African peak not being predominant, the identity of the southern Pillar has been disputed through history,[1] with the two most likely candidates being Monte Hacho in Ceuta and Jebel Musa in Morocco.
Modern conjectural depiction of the lost western section of the Tabula Peutingeriana, showing a representation of the Pillars of Hercules ( Columne Ercole).
[edit] Naming
According to Greek mythology adopted by the Etruscans and Romans, when Hercules had to perform twelve labours, one of them was to fetch the Cattle of Geryon of the far West and bring them to Eurystheus; this marked the westward extent of his travels. A lost passage of Pindar quoted by Strabo was the earliest traceable reference in this context: "the pillars which Pindar calls the 'gates of Gades' when he asserts that they are the farthermost limits reached by Heracles."[2]
According to Plato's account, the lost realm of Atlantis was situated beyond the Pillars of Hercules, in effect placing it in the realm of the Unknown. Renaissance tradition says the pillars bore the warning Nec plus ultra (also Non plus ultra, "nothing further beyond"), serving as a warning to sailors and navigators to go no further.
According to some Roman sources,[3] while on his way to the island of Erytheia Hercules had to cross the mountain that was once Atlas. Instead of climbing the great mountain, Hercules used his superhuman strength to smash through it. By doing so, he connected the Atlantic Ocean to the Mediterranean Sea and formed the Strait of Gibraltar. One part of the split mountain is Gibraltar and the other is either Monte Hacho or Jebel Musa. These two mountains taken together have since then been known as the Pillars of Hercules, though other natural features have been associated with the name.[4] Diodorus Siculus,[5] however, held that instead of smashing through an isthmus to create the Straits of Gibraltar, Hercules narrowed an already existing strait to prevent monsters from the Atlantic Ocean from entering the Mediterranean Sea.
[edit] Pillars as portals
The Pillars appear as supporters of the coat of arms of Spain, originating from the famous impresa of the Holy Roman Emperor, Charles V, who was King of Spain in the years following the discovery of the Americas. It bears the motto Plus Ultra (Latin for further beyond), encouraging him to ignore the ancient warning, to take risks and go further beyond. It indicates the desire to see the Pillars as an entrance to the rest of the world rather than as a gate to the Mediterranean Sea. It also indicates the overseas possessions that Spain had.
One of the commonly held theories about the origin of the Dollar Sign derives it from the above personal device, which appeared on the Spanish Dollar from which the American one was derived - thus, the two vertical lines on the Dollar Sign ultimately represent the Pillars of Hercules.
[edit] Phoenician connection
Beyond Gades, several important Mauritanian colonies (in modern-day Morocco) were founded by the Phoenicians as the Phoenician merchant navy pushed through the Pillars of Hercules and began constructing a series of bases along the Atlantic coast starting with Lixus in the north, then Chellah and finally Mogador.[6]
Near the eastern shore of the island of Gades/Gadeira (modern Cádiz, just beyond the strait) Strabo describes[7] the westernmost temple of Tyrian Heracles, the god with whom Greeks associated the Phoenician and Punic Melqart, by interpretatio graeca. Strabo notes[8] that the two bronze pillars within the temple, each eight cubits high, were widely proclaimed to be the true Pillars of Hercules by many who had visited the place and had sacrificed to Heracles there. But Strabo believes the account to be fraudulent, in part noting that the inscriptions on those pillars mentioned nothing about Heracles, speaking only of the expenses incurred by the Phoenicians in their making. The columns of the Melqart temple at Tyre were also of religious significance.
[edit] Dante's Inferno
In Inferno XXVI Dante Alighieri mentions Ulysses in the pit of the Fraudulent Counsellors and his voyage past the Pillars of Hercules. Ulysses justifies endangering his sailors by the fact that his goal is to gain knowledge of the unknown. After five months of navigation in the ocean, Ulysses sights the mountain of Purgatory but encounters a whirlwind from it that sinks his ship and all on it for their daring to approach Purgatory while alive, by their strength and wits alone.
[edit] Sir Francis Bacon's Novum Organum
The Pillars appear prominently on the engraved title page of Sir Francis Bacon's Instauratio Magna ("Great Renewal"), 1620, the foreword to his Novum Organum. The motto along the base says Multi pertransibunt et augebitur scientia ("Many will pass through and knowledge will be the greater").
[edit] References
- ^ Strabo summarizes the dispute in Geographia 3.5.5.
- ^ Strabo, 3.5.5; the passage in Pindar has not been traced.
- ^ Seneca, Hercules Furens 235ff.; Seneca, Hercules Oetaeus 1240; Pliny, Nat. Hist. iii.4.
- ^ "Close to the Pillars there are two isles, one of which they call Hera's Island; moreover, there are some who call also these isles the Pillars." (Strabo, 3.5.3.); see also H. L. Jones' gloss on this line in the Loeb Classical Library.
- ^ Diodorus 4.18.5.
- ^ C. Michael Hogan, Mogador, Megalithic Portal, ed. Andy Burnham, 2007
- ^ (Strabo 3.5.2–3
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