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Constellations and MythologyThe Northern Hemisphere, Circumpolar ConstellationsCassiopeiaCassiopeia was the wife of King Cepheus. She was very pretty, and would often brag that she and her daughter were more beautiful than the sea nymphs, the Nereids. They complained to Poseidon, who sent a monster to Cepheus' land. In order to save their country, the king and queen sacrificed their daughter, Andromeda. Just before the monster, named Cetus, ate the princess, Perseus saved her. All five figures are represented in the sky as constellations. Cassiopeia has a very distinct shape. She looks like a "W" or "M" in the sky, depending on where she is. Some legends say that Cassiopeia was chained into the sky and sometimes hangs upside-down to remind others not to be so boastful. Cassiopeia is a northern circumpolar constellation, so it can be viewed all year long. It is home to several clusters, or groups of stars. M52 is a large cluster on the western edge. With a telescope, many distant objects can be spotted. There are a few nebulae within Cassiopeia, including the Bubble Nebula and IC 1805. This nebula is located just to the east of the constellation. Finally, a number of galaxies can be spotted, including NGC 185, which is a small distance south of the "W". King CepheusCepheus was king of a land called Ethiopia in Greek myth. He had a wife named Cassiopeia and a daughter, Andromeda. Cassiopeia liked to brag about her beauty so much, that she said she and Andromeda were more beautiful than the Nereids. Poseidon got very angry, and sent a sea monster to kill Cepheus and his family. Andromeda was offered as a sacrifice, and just when the sea monster was going to eat her, Perseus saved her. All four people, along with the monster, are in the sky as constellations. Cepheus looks like a house. The point on top is a special star called a cepheid. These stars are used to measure long distances. Just below the constellation is another cepheid. This red star would be the North Star if we lived on Mars. There are several galaxies, star clusters and nebulae within Cepheus. However, most are very dim and can only be seen with a telescope. If you have a telescope to use, browse this old constellation to find many celestial objects. Draco the DragonDraco the dragon is a circumpolar constellation, which means it revolves around the North pole. It can be seen all year round. Draco is only present in the Northern Hemisphere, so those living in the Southern Hemisphere will never see this long constellation. The easiest way to spot Draco is by finding his head. It consists of four stars in a trapezoid, burning brightly just north of Hercules. From there, the tail slithers through the sky, ending between the Big and Little Dippers. The end of the constellation is held by Thuban, which was the pole star over 4,000 years ago. Several galaxies and even one nebula is found within the constellation. The Cat's Eye Nebula is a favorite among astronomers. Many myths revolve around this chaotic dragon. It is said in Greek myth that a serpent named Ladon guarded the golden apple tree. One of the twelve labors of Hercules was to steal apples from this well-guarded tree. Ursa Major (The Great Bear)Ursa Major is probably the most famous constellation, with the exception of Orion. Also known as the Great Bear, it has a companion called Ursa Minor, or Little Bear. The body and tail of the bear make up what is known as the Big Dipper. Also called names such as the Plough, the Wain and even the Wagon, this constellation has a lot of history behind it. Several different cultures saw a big bear in the sky. The ancient Greeks had a few different stories to explain how the animal ended up there. In one story, Hera discovered Zeus was having an affair with Callisto and turned her into a bear. Zeus put her in the sky along with her son, Arcas, who became the Little Bear. Ursa Major is full of unique celestial objects. Two of the stars, Dubhe and Merak, are pointer stars. If you are looking at the Big Dipper, the outer edge stars that make up the "bowl" of the handle are the two stars, with Merak being the one on top. Connect a line between the two, and extend it north a distance about five times the distance between them. It will connect with the North Star, Polaris. If you connect the handle of the dipper with a line, it will lead to the star, Arcturus, in the constellation, Bootes. In one Greek myth, the star represented the guardian, Arcturus, who kept the bears from straying from their path. Above the head of the bear are two galaxies, M81 and M82. Both are 12 million light years away, but M81 is one of the brightest galaxies in the sky. Finally, the Owl Nebula is located to the lower left of Dubhe. It is so named because some photographs reveal what looks like a pair of eyes. Most of the constellation is circumpolar, which means it can be viewed all year long. However, parts of the legs will disappear from the sky in the fall and reappear in the winter. Ursa Minor (Little Bear)Ursa Minor, also called the Little Dipper, is a circumpolar constellation. This means it never sets in the northern sky. The true figure represented by the stars is the Little Bear. Its counterpart is Ursa Major, or the Great Bear. There are several mythological stories behind these famous constellations. In Greek myth, Zeus was having an affair with the lovely Callisto. When his wife, Hera, found out she changed Callisto into a bear. Zeus put the bear in the sky along with the Little Bear, which is Callisto's son, Arcas. In other myths, the constellation is not a bear at all, but is in fact a dog. Unfortunately, there aren't as many interesting objects in Ursa Minor as there are in Ursa Major. Probably the most important of all is the last star in the tail. This spot is held by the North Star, Polaris. Many think it is called the North Star because it is very bright. But actually, it is quite dim. Instead, the name comes from the fact that it doesn't move from its spot in the night sky. There aren't any nebulae or star clusters present in Ursa Minor. There is a unique circle of stars called the "engagement ring" slightly below Polaris. They can be viewed with binoculars or a telescope. An easy way to find Polaris is by using the pointer stars. Dubhe and Merak make up the right edge of the "bowl" in the Big Dipper. Connect them with a straight line and continue north. You will run right into the North Star.
Northern Spring ConstellationsBootes - the HerdsmanBootes, the herdsman, rides through the sky during the late Spring and early Summer. While he may have appeared as a shepherd to the ancients, modern star-gazers like us can easily recognize the shape of a kite, with the bright star Arcturus at the point of the kite where the tail is attached. Arcturus is a bright red supergiant star with a diameter nearly 20 times that of the Sun and a brightness more than 100 times that of our Sun. Since it is only 36 light-years away (close for a star!), it appears as the brightest star in Bootes, and, in fact, the fourth brightest star in the sky. The name Bootes is derived from the Sumerian Riv-but-sane, which means the "man who drove the cart". So Bootes was identified with a farmer who plows the land during spring. The Romans called Bootes the Herdsman of the Septemtriones, that is, of the seven oxen represented by the seven stars of the Big Dipper, which was seen as the cart or the plow. Cancer, the Crab
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Cialis in canadian pharmacies. This is an excellent drug since it is very effective on symptoms of depression. One the first things we should do is look for the patient's symptoms on a standard questionnaire called the Hamilton Depression Scale. This is a great first step for depression treatment to identify the signs or symptoms of depression. This may mean looking for the patient on a list of symptoms that are associated with depression. I recommend the patient undergo a physical exam to rule out other possible causes because depression is very common. Another common cause of depression that most people are not aware of is thyroid dysfunction. In addition to abnormalities, it is important for your health care provider to perform a physical examination examine for osteoporosis and other potential health issues. Treatments for Depression Medication is the primary treatment for depression, however, there are some more effective ways to manage depression. There are drugs out that can help patients with depression to alleviate the symptoms and reduce amount of medication they need to take. Medications for treatment depression include: Antidepressants Treatments for Anxiety A list of medications that are helpful for anxiety disorders can be found on a website called www.healthline.com. You can also find information on treatment for anxiety the page. Medications include: Chlordiazepoxide (Librium) – An anxiolytic that is used to treat panic and anxiety attacks. Clonazolam (Klonopin) – An anti-anxiety medicine that is used to treat panic and anxiety attacks. Diazepam (Valium) – A sedative that is used to help reduce the anxiety associated with attacks. It is also used to treat anxiety disorders. Lorazepam (Ativan) – A sedative that is used to help reduce anxiety associated with attacks. It is also used to treat anxiety disorders. Mellaril (Anticonvulsant) – Helps treat epilepsy. Panax (Xanax) – Helps treat anxiety. Prozac (Fluoxetine) – Helps treat depression, and anxiety. Serotonin Reuptake Inhibitors (SRIs) – For patients who are sensitive to serotonin. Antidepressants are helpful medications but not for all patients. The symptoms of depression usually improve on their own after treatment with prescribed medication. Anxiety is common. We all can have anxious thoughts. Antidepressants be used to treat anxiety disorders like and panic disorder. Antidepressants can treat attacks. If any of the symptoms mentioned above are present, it is important to discuss the use of medication for these issues. You can always talk to your doctor about medication options if you are interested. can find a list of medications that are helpful for anxiety on a website called www.healthline.com. The Anxiety Treatment page also has information for treating anxiety. Anxiety is often a symptom that masked by the symptoms of depression. Anxiety can be treated with other medications like these: Anti Anxiety Medications These are the common types of anxiety medications that can be helpful for treating anxiety. example, Prozac can be helpful for treating panic attacks because it helps treat anxiety by decreasing the amount of adrenaline that rushes into the system. Another common type of anxiety medications is diazepam. This a sedative that is also used to treat anxiety. You can also take certain over the counter medications such as ibuprofen and aspirin which can help decrease the symptoms of chronic anxiety. These are all common over the counter medications that can help treat anxiety. Tranquilizers are used to treat panic attacks. Some medications are used as tranqulizers, which is an older term that used for a type of tranquilizer that is used to cause a sedative effect. Common tranqs include barbiturates (Valium) and other tranquilizers. If you are interested in learning more about treatment for anxiety disorders, please visit the Treatment page. Medication for Hypertension Hypertension is a condition where the amount of blood that is going into the body exceeds amount being drained. Hypertension is very common for the general population and many people has no obvious cause. However, it is important to have your blood pressure checked. It is important to have your blood pressure checked even if your doctor says that there is no physical cause. People who have hypertension may be in great need of medications such as: Calcium Channel Blockers– These are drugs used to block the calcium channels. This can help reduce the amount of blood that is going into the body. Blood Pressure Retraining Techniques– These are ways to train the body control blood pressure levels.
Hydra - The Sea SerpentHydra is the longest constellation in the sky and is also the largest in terms of area. It is so long that it takes more than six hours to rise completely. Along it's northern side, we can observe the zodiacal signs of Cancer, Leo, Virgo and Libra. The stars in the serpent's head appear to be at the same distance but they are really very far away from each other. The northernmost of the six stars in the head of the serpent, Epsilon Hydrae, is a quintuple star - a system of five stars. Alphard (Arabic for "the solitary one") is Hydra's brightest star. Hydra is home to a fairly faint, but large, open cluster of about 80 stars known as M48. This cluster is easily observed with binoculars and looks bigger than the disc of the full Moon. Hydra is one of the most ancient constellations. In Greek mythology, Hercules slew Hydra, a horrible serpent with many heads that grew back as soon as they were cut off. Killing the Hydra was one of Hercules' twelve labors, during which he also defeated Leo, the lion, and Draco, the dragon. Leo - The LionLeo, the Lion, is a very majestic feline. Leo's head and mane are formed by an asterism known as the Sickle which looks like a backward question mark. One of the brightest spring stars, Regulus (Latin for "little king"), is at the base of the question mark. The rest of Leo's body, legs, and tail extend to the east. Leo harbors a group of galaxies, including two spirals (M95 and M96) and an elliptical (M105), in its central region. With binoculars, the cores of the spirals, but not their faint arms, can be distinguished. M105 appears only as a faint oval-shaped glow. Under the hindquarters of Leo, a spiral galaxy (M66) can be observed. It is nearly face-on, looking like a ghostly galactic pinwheel. During the dry season in ancient Egypt, the lions of the desert came close to the valley of the Nile when the river flooded, which used to happen when the Sun was in Leo. Some have interpreted this as the origin of the name of the constellation. The ancient Sumerians, Babylonians, Persians, Syrians, Greeks, and Romans, all recognized this constellation as a lion. It was seen as a horse in the ancient Chinese zodiac, and possibly as a puma in Incan lore. Hercules - A Son of JupiterHercules, the great Greek warrior, can be seen kneeling in the sky for northern latitudes throughout the Spring months. Hercules first becomes visible in the east in April, and works his way high across the night sky through October. From the southern hemisphere, he appears low in the north. Four relatively bright stars form what is commonly known as the Keystone. Hercules' arms and legs extend from this central square. By far the most exciting object to see in Hercules is the magnificent globular cluster M13, which is visible in dark night skies even without binoculars or a telescope. This cluster of 300,000 stars appears as a faint fuzzy spot to the naked eye. It is located between the stars which form the western side of the Keystone. Many other constellations, like Leo, the Lion, Hydra, the nine-headed Serpent, and Draco, the Dragon, were unfortunate victims of Hercules, and thus were also placed in the sky. Cancer, the Crab was sent by Hera to annoy Hercules in his battles, and became yet another victim of the hero. Lyra - Orpheus' HarpLyra, the Lyre, is a type of small harp held in the player's lap. The brightest star in Lyra, Vega, is placed in the handle of the harp. A small parallelogram of four faint stars just to the southeast of Vega outline the harp itself. Lyra is one of three constellations whose brightest stars form the Summer Triangle. Though small, Lyra has a variety of sights to offer. Between the two parallelogram stars furthest from Vega is the Ring Nebula, a bright planetary nebula. It can be viewed with binoculars, although it's distinctive smoke-ring shape cannot. A famous and well-studied variable star, RR Lyrae is also found in this constellation. The name Vega means "vulture" in Arabic and reminds us that the civilizations of the Middle East saw these stars as a vulture. According to Greek mythology, the lyre was invented by Hermes as a child when he strung a tortoise shell. He traded the lyre to Apollo, who then gave it to his son, Orpheus, a great poet and musician. Some Asian traditions see the bright star Vega as the Weaving-Princess star who marries a shepherd, the star Altair. Ophiuchus (The Serpent Bearer)The constellation Ophiuchus is the Serpent Bearer. This large constellation can be seen in the night sky from June through October. Although most of the stars are dim, Ophiuchus' teapot shape makes it easy to find. The constellation is a combination of three different figures. Ophiuchus is holding Serpens Caput in his left hand, and Serpens Cauda in his right. He is located south of Hercules and north of Scorpius. In Greek myth, Ophiuchus represents the god of medicine, Asclepius. Asclepius was the son of Apollo and was taught by Chiron, the Centaur. He learned how to bring people back from the dead, which worried Hades. The god of the underworld asked his brother Zeus to kill the medicine god. Zeus did strike him dead, but then put the figure of Asclepius in the sky to honor him. There aren't many bright stars in this constellation, but there is a rather unique one. RS Ophiuchi is a type of star called a recurrent nova. These strange objects stay dim for long periods of time, and then suddenly brighten. Ophiuchus is full of celestial objects. There are numerous clusters and one nebula in the constellation. Sagittarius, the ArcherSagittarius is a centaur, with the torso of a man atop the body of a horse. Unlike the wise and peaceful centaur Chiron (Centaurus), Sagittarius is aiming his giant bow at his neighbor, Scorpius. While this is a very large constellation, its stars are relatively faint and most people easily recognize just the central asterism which resembles a teapot with a lid, handle, and spout. Looking into Sagittarius, you are looking directly at the center of our Galaxy through its disk, and many varieties of astronomical treasures can be found there. More than a dozen Messier objects reside in Sagittarius, including globular clusters M69, M70, and M54 which lie along the bottom of the teapot. Recently, astronomers have discovered a small galaxy in Sagittarius that is crashing through the Milky Way. Exactly who is Sagittarius? The Mediterranean people viewed him as Enkidu, the close friend of Gilgamesh, believed to be represented by Orion. Greek mythology associates Sagittarius with Crotus, the son of the goat-god Pan and Eupheme, the nurse of the Muses. He grew to be a skilled hunter, as well as a man with an artistic soul. The Muses, with whom he was raised, begged Zeus to honor him with a constellation equal to his great talents. Scorpius - Slayer of OrionMore than any other constellation, Scorpius resembles it's given name. If you live in the northern hemisphere of the Earth, Scorpius crawls across the southern sky, close to the horizon. But if you live in the southern hemisphere, it passes high in the sky. The bright star Antares marks the heart of the insect, and it's long curving tail trails to the south. The scorpion once had claws, but they were cut off by Julius Ceasar to form the constellation Libra. Where stars are concerned, whatever you are looking for, you can probably find it in Scorpius. Antares is an unmistakable, brilliant red supergiant star at the heart of the scorpion. There are many open clusters, including the spectacular M7 roughly 5 degrees off the tip of the scorpion's tail. As it is nearby, M4 is one of the largest, brightest globular clusters in the sky, visible even with binoculars. As a bonus, it is especially easy to find since it is located only 1.5 degrees west of Antares. The scorpion holds an infamous place in Greek mythology as the slayer of Orion. One story tells that Orion fled the scorpion by swimming the sea to the island of Delos to see his lover, Athena. Apollo, seeking to punish Athena, joined her and challenged her hunting skills, daring her to shoot the black dot that approached in the water. Athena won the challenge, unknowingly killing her lover by doing so.
Northern Summer ConstellationsAquila - Servant of ZeusAquila, the celestial eagle, is one of the three constellations which have bright stars forming the Summer Triangle. A nearly perfectly straight line of three stars symbolizes part of the wings. The center and brightest of these three stars is Altair. The tips of the wings extend further to the southeast and northwest. The head of the eagle stretches off to the southwest. A challenging open cluster can be found in Aquila, a few degrees southwest of the northernmost wingtip of the eagle. The stars in this cluster are so faint that they cannot be resolved with binoculars, but instead appear as only a light smudge. Two dark nebulae form a shape known as "Fish on the Platter". They are located about 1.5 degrees west of the star just north of Altair. To the ancient Greeks, Aquila was the servant of Zeus who held the god's thunderbolts and performed errands for him. He may also be the great eagle who devours Prometheus' liver as punishment for giving fire to humans. The line of three stars which includes Altair is revered by Indians as the footprints of the god Vishnu. Some Asian traditions see the bright star Vega as the Weaving-Princess star who marries a shepherd, the star Altair. Cygnus - the SwanCygnus, the Swan, is also known as the Northern Cross because of it's distinctive shape. The tail of the swan is marked by the bright star Deneb, Arabic for "tail". Three fainter stars cross the line between Deneb and the head of the swan, Albireo. Cygnus flies southward along the summer Milky Way, and into the Summer Triangle. The tail and bill of the swan are both magnificent stellar sights. Deneb is a bright, blue supergiant star, very young as stars go. Albireo, the bill of the swan, is actually two stars which exhibit a spectacular amber and blue contrast. Cygnus is also sprinkled with a variety of nebulae. The North American Nebula is located just a few degrees east of Deneb, and is named for it's resemblance to the North American continent. The Veil Nebula, an ancient supernova remnant, can also be found in Cygnus, several degrees south of the eastern wing. The identity of Cygnus is uncertain. He could be Zeus in the guise in which he seduced Leda, the mother of Helen of Troy. Possibly the swan is Orpheus, transformed and set in the sky to be near his harp. In one myth, Cygnus is a friend of Phaethon, the son of Apollo, the sun god. Phaethon fell into the river Eridanus, trying to drive the sun-gods chariot. Cygnus dove repeatedly into the water to search for Phaethon. Out of pity, Zeus turned the boy into a swan.
Northern Autumn ConstellationsAndromeda, the PrincessAndromeda is a "V" shaped constellation best viewed in the fall if you live in the Northern Hemisphere. Andromeda lies close to the north pole, so only a few in the Southern Hemisphere can see this strangely shaped constellation in the spring. One myth about Andromeda is found in Greek mythology. Andromeda's mother, Queen Cassiopeia, bragged that she was prettier than the sea nymphs. The nymphs complained to Poseidon, who in turn sent a monster to destroy her land. The queen and her husband, King Cepheus, were told to sacrifice their daughter to save the country. Andromeda was chained to a cliff for the monster, called Cetus. Just as the monster was ready to bite down on the maiden, Perseus rescued her. Perseus and Andromeda were put in the sky along with Cepheus, Cassiopeia and Cetus. Andromeda is right next to Pegasus, which leads some to believe that at one time, some of these stars used to be part of the winged horse. There is plenty to see in this fall constellation. The Great Andromeda Galaxy is the most distant object visible to the naked eye. You can find this famous galaxy on the right side of Andromeda, about half-way up the constellation. There are also many other galaxies and some open clusters around this constellation, but many are too faint to see. Aquarius, the WaterbearerAquarius is a member of the Zodiac, a group of constellations that the Sun travels through each year. It is best viewed in the fall in the southern sky, although much of the northern hemisphere can see the Waterbearer in the spring. Aquarius is one of the oldest constellations in the sky. In Greek myth, Aquarius was Ganymede, the young boy kidnapped by Zeus. Zeus sent his eagle, Aquila, to snatch Ganymede out of the fields where the boy was watching over his sheep. Ganymede would become the cupbearer for the Olympian gods. The constellation, Crater, is often thought to be Ganymede's cup. The Sumerians also believed that Aquarius brought on a sort of global flood. Also, many of the stars that make up Aquarius have names that refer to good luck. This is most likely due to the time of year when the Sun would rise in Aquarius. It happened to be at the same time when the rainy season began in the Middle East. You have to use some imagination to see a figure of a boy in the sky. The head is on the right end. Moving left, you can see what could be an arm dangling down. Continue left more, and you come to the lower half of the body. Notice the legs are bent. This may represent the position of Ganymede while being carried by Aquila to Mount Olympus. There are three globu |