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Constellation_Drawings_Modified_AE440B9D6CE10.ppt
This document provides information on several constellations visible in the Northern Hemisphere through a series of slides. It describes the shapes and stories behind constellations like Ursa Major, Ursa Minor, Cepheus, Cassiopeia, Draco, Orion, and others. It also discusses circumpolar constellations that can be seen all year and the relationship between the zodiac constellations and the ecliptic path of the sun.
![MUSHROOM_PRODUCTION_UNITS and mechanism 1][1].pptx](https://cdn.slidesharecdn.com/ss_thumbnails/mushroomproductionunits11-251106185651-32f95ca8-thumbnail.jpg?width=640&height=640&fit=bounds)
Constellation_Drawings_Modified_AE440B9D6CE10.ppt
- 5. Use the followingslides as desired. Slides arefrom http://www.cs.wright.edu/~tkprasad/AstronomyMedley/U4_Constellation s.ppt
- 6. Ursa Major • UrsaMajor, the Great Bear, is visible in the Northern Hemisphere all year long. • Ursa Major is thebest knownof the constellation and it appears in every referenceknown. • The story behind it: – Callisto was changedto a bear because ofZeus'sjealousy and transferred herto the sky. This is improbable, as theconstellation was already well established before this time. Thedrawings all showa bear with a long tail, again not likely correctsince bearshave no tails. Themost likely explanation for the bearsis the fact that Native Americanscalled the constellations the bear, but instead ofthe tail they depict the bear being chased aroundthe pole by sevenbraves.
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- 9. How to findthe Big Dipper
- 10. Ursa Minor • UrsaMinor,the LittleBear, is visible in the Northern Hemisphere all year long. • Ursa Minor is mostly knownfor Polaris, the North Star whichmay be found at the end of the handle. • The story behind it: – Ursa Minor doesnot have any mythology attached to it, it was created in the 6th century B.C. as a navigational aid for sailors outof a long forgotten constellation called the Dragon's wing.
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- 12. Cepheus • The storybehind it: – Cepheus was the King of Ethiopia. He married Cassiopeia and they had a daughter Andromeda. Cassiopeia was incredibly beautiful but immensely vain. She was also proud of her daughter's beauty. In fact she continually boasted that the two of them were more beautiful than any of the fifty sea nymphs who attended Poseidon's court. – These nymphs (the Nereids) complained to Poseidon, who felt he had to defend his own reputation. So he sent a flood to devastate Cepheus' kingdom. The oracles told Cepheus that in order to save his people he must sacrifice his daughter to a great sea monster: Andromeda was tied to a rock along the coastline, dressed only in her jewelry. The monster would be along in due time to take his prize. – At that moment Perseus came flying by. He had just killed the Gorgon Medusa and was carrying the severed head back to Athene. To make a long story short, he saved her then turned everyone into stone by showing them the severed head. – Poseidon then put the stone frozen Cepheus and Cassiopeia into the heavens, but with a twist: he made the vain Cassiopeia spin around on her chair, spending half the year upside down. As for Cepheus, Poseidon gave him a number of medium sized stars that go to make his square face with a pointed crown.
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- 14. Cassiopeia • This constellationis at the edge of the Milky Way galaxy and has the shape of a "W". • The story behind it: – Cassiopeia had been the wife of Cepheus. Because she thought herself more beautiful than the daughters of Nereus, a god of the sea, she angered the god Poseidon. To punish her, her daughter was chained to a rock of the coast as a sacrifice for a sea monster. Andromeda was saved from death by Perseus. To learn humility Cassiopeia was banned to the sky hanging half of the time head downward.
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- 16. Draco • Draco, theDragon, used to hold special significance as the location of the pole star, butduetothe Earth's precession, the pole has shifted to Polaris in Ursa Minor. • Thestory behind it: – ThedragonisLadon,theguardianof the'golden apples' ofimmortality whichgrew inthe gardenof Hesperides, beyondthe River of Time,in thelandofdeath.Itis Ladon whichHercules kills inhis11th labor to get thegoldenapples.
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- 24. Orion • Orion isthe master of the winter skies. He lords over the heavens from late fall to early spring, with his hunting dog Sirius trailing at his feet. • The story behind it: (Orion holding a bow) – Orion was a handsome and famous hunter. The Battle-Goddess Anat fell in love with him, but when he refused to lend her his bow, she sent another man to steal it. This chap bungled the job, and wound up killing Orion and dropping the bow into the sea. This is said to explain the astronomical fact that Orion and the Bow (an older version of the constellation) drops below the horizon for two months every spring. • Another story behind it: (Orion holding an animal) – Orion was known as the "dweller of the mountain", and was famous for his prowess both as a hunter and as a lover. But when he boasted that he would eventually rid the earth of all the wild animals, his doom may have been sealed. The Earth Goddess sent the deadly scorpion to Orion to kill him. Orion engaged the scorpion in battle but quickly realized its amour was impervious to any mortal's attack. Orion then jumped into the sea and died. In his eternal hunting, Orion is careful to keep well ahead of the scorpion. Orion has disappears over the horizon by the time Scorpio rises in the east, as it becomes his turn to rule the evening sky.
- 25. Orion Not acircumpolar constellation, but a seasonal constellation Betelgeuse, the right arm of Orion (or "armpit" as the name suggests), glows with a dull red. Rigel, in the opposite corner of the constellation, is much brighter.
- 26. • Orion •Onthe left:TheHunter-Orion •Inthe middle: Name:TheBull-Taurus •Onthe right: Name: TheGreaterDog-CanisMajor
- 27. • On theleft: The Lion - Leo – There is a record of the Lion in an astronomical poem from Greece in the 3rd or 4th century B.C. • In the middle: The Herdsman - Böötes • On the right: The Virgin - Virgo – At first, this constellation was recognized as the figure of a stalk of wheat, and then was introduced to the Greeks and become the figure of a virgin who holds a stalk of wheat, linking it with Greek mythology and legend.
- 28. • On theleft: The Crab - Cancer – Its name is Cancer in Latin, which is the same name as the disease, cancer. This disease was named after the shell of the crab, which is similar to the shape of breast cancer. • In the middle: The Scorpion - Scorpio – The Scorpion has existed since the oldest of times. After sunset, around the 7th of July, you can see it in the shape of a large S above the southern horizon where the milky way is streaming down. The figure of this constellation was originally the figure of a scorpion with scissors. Later the scissors were separated to become the Balance. • On the right: The Archer - Sagittarius – The Archer has been recognized since the Babylonian era. At that time it was the figure of a man with a bow in his hand, not the present figure of the half man half horse which is recognized in Greek mythology.
- 29. • On theleft and in the middle: Andromeda – The Andromeda constellation is famous for containing the Andromeda Nebula, the closest galaxy to our Milky Way. Andromeda was chained up for a sea monster to devour her. – Andromeda is also the daughter of Cassiopeia & Cepheus • On the right: The Fishes, Pisces – In ancient Babylon, this constellation was viewed as the figure of a mermaid tied together with a swallow with a fish tail. The present figure appeared in a 3rd or 4th century B.C. Greek poem.
- 30. Signs Of The Zodiac Fromour perspective onearth, the suntakes a path throughthe sky (known as the ecliptic). It passes throughthese constellations.
- 31. EclipticConstellations& ZodiacSigns • Aband of 12 constellations around the sky entered on the ecliptic (apparent path of the sun on the earth as the earth revolves around it). • Aries, Leo, Sagittarius, Taurus, Virgo, Capricorn, Gemini, Libra, Aquarius, Cancer, Scorpio, and Pisces.
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- 33. Andromeda Antlia ApusAquarius Aquila Ara Aries Auriga Boötes Caelum Camelopardalis Cancer Canes Venatici Canis Major Canis Minor Capricornus Carina Cassiopeia Centaurus Cepheus Cetus Chamaeleon Circinus Columba Coma Berenices Corona Australis Corona Borealis Corvus Crater Crux Cygnus Delphinus Dorado Draco Equuleus Eridanus Fornax Gemini Grus Hercules Horologium Hydra Hydrus Indus Lacerta Leo Leo Minor Lepus Libra Lupus Lynx Lyra Mensa Microscopium Monoceros Musca Norma Octans Ophiuchus Orion Pavo Pegasus Perseus Phoenix Pictor Pisces Piscis Austrinus Puppis Pyxis Reticulum Sagitta Sagittarius Scorpius Sculptor Scutum Serpens Sextans Taurus Telescopium Triangulum Triangulum Australe Tucana Ursa Major Ursa Minor Vela Virgo Volans Vulpecula