A rainbow is optical and meteorological phenomenon
that causes a spectrum of light to appeal in the sky when the sun shines on to
droplets of moisture in the earth’s atmosphere. It take the form of a
multicolored arc. Rainbows cause by sun-light always appeal in the section of
the sky directly opposite the sun.
In a
“primary rainbow” the arc show red on the outer part, and violet on the inner
side. This rainbow caused by light been reflected while entering a droplet of
water, them reflected inside on the back of the droplet and refracted again
when leaving it.
In a
double rainbow, a second arc is seen outside the primary arc, and have the
order of it colors reversed, red facing towards the other one, in both
rainbows. This second rainbow is caused by light reflecting twice inside the water droplet.
Double rainbow and a
supernumerary rainbow on the inside of the
primary
Arc. The shadow’s of the photographer’s head on the
bottom
marks the Centre of the rainbow circle (antisolar point).
The rainbow is not located at a specific
distance, but comes from any water droplets which view from a certain angle
relative to the sun’s rays. Thus a rainbow is not a physical objects, and
cannot physically approached. Indeed it is impossible for an observer to maneuver
to see any rainbow from water droplets other than the customary one of 42
degrees from the direction opposite the sun.
A
rainbow spans a continuous spectrum of colors. Any distance ban perceived are
an attributes of human co lour vision, and no banding of any type is seen in a
black-and-white photo of a rainbow, only
a smooth graduation of intensity to a maximum, then fading towards the other
side. For colors seen by normal human eye, the most commonly is Newton’s sevenfold red, orange,
yellow, green, blue, indigo and violet.
Rainbows
can be caused by many of airborne water. These include not only rain, but also
moist, spray and airborne dew.
Rainbows
may also form in a
Mist such as that of a waterfall
Visibility: Rainbows can be observed
whenever there are water drops in the air and sun light shinning from behind at
a low altitude angle. The most spectacular rainbow displays happen when half
the sky is still dark with raining clouds and observer is at a spot with clear
sky in the direction of the sun. the result is a luminous rainbow that contact
with the darkened background.
The
rainbow effect is also commonly see near waterfalls or fountains. In addition,
the effect can be artificially created by dispersing water droplets into the
air during a sunning day. Rarely, a moon bow, water rainbow or nighttime
rainbow, can be seen on strongly moonlight nights. As human visual perception
for color is poor in low light, moon bow are often perceived to be white. It is
difficult to photograph the complete semi-circle of a rainbow in one frame, as
this would require an angle of view of 840.
SPECTRUM: A spectrum spans continuous spectrum of
colors – there are no “bands”. The apparent discreteness is an artifact of
the photo pigments in the human eyes and the neutral processing of our
photoreceptor outputs in the brain. Because the pick response of human colors
varies from person to person, different individuals will see slightly different
colors, and person with color blindness will see a small set of colors.
Newton originally (1672)
named only, five primary colors: red, yellow, green, blue, and violet
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Red yellow
green blue
violet
Later he included orange and
indigo given seven colors by analogy to the number of note in musical scale.
Red
orange yellow green blue indigo violet
The colors visible in the rainbow are not pure
spectral colors. There is a spectral smearing due to the fact that for any
particular wavelength, there is a distribution of exit angles, rather than a
single unvarying angle.
The
light is first refracted entering the surface of the rainbow, reflected off the
back of the drop, and again, refracted as it leaves the drop. The overall effect
is that the incoming light is reflected back over a wide range of angles, with
the most intense light at angle 40 - 420 . seawater has a higher
refractive index than rain
water, so the radius of a rain water in sea spray is smaller than a true rainbow.
Rainbow form in sea spray
Created by waves (called spray bows)
A rainbow does not actually exist in a particular
location in the sky. It’s apparent position depends on observer’s location and
position of the sum. All raindrops refract and reflect the sunlight reaches in
the same way, but only the light from some rainbow reaches the observer’s eye.
The position of a rainbow in the sky is always in the opposite direction of the
sun with respect to the observer, and the interior is always slightly brighter
than the exterior.
Religious
Belief: The has a place in legend owing to it’s beauty and the historical
difficulty in explaining the phenomenon. In Greece – Roman mythology, the
rainbow was considered to be a path made by a messenger (Iris) between Earth
and heaven.
In
Chinese mythology, the rainbow was a slit sky sealed by goddess Nüwa using
stone of five different colours. In Hindu religion, the raibow is called Indradhanush,
meaning “the bow (Sanskrit and Hindi: dhanush is bow) of indra the god of
lighting and rain”. Another Indian mythology say the rainbow is the bow of
Roma. The incarnation of Vishnu. It is called Rangdonu in Bangali, dihonu
meaning bow.
In Arabian
painsula mythology, the rainbow, Qaus Quzaћ in Arabic, is the war bow of god
Quazaћ. In morse mythology, a rainbow
called the Bifros Blidg connects the realms of Asgard and Midgard, hones of the
gods and humans, respectively.
Another
ancient portrayal of rainbow is given in the Epic of Gilgamesh: the rainbow is the
“jeweled necklace of the great mother Istar” that she lefts in the sky as a
promise that she ‘will never forget theses day of great flood’ that destroyed
her children. (The Epic of Gilgamesh)
According
to Genesis, after Noah’s flood God put the rainbow in the sky as a sign of His
promise that He would never destroyed the earth with flood Gen 9:13 – 17.
The church of Jesus Christ of latter – day saints
founder Joseph Smith stated that the second coming of Christ would not occur in
any year in which a rainbow is seen. In new age and Hindu philosophy, the seven
of the rainbow represents the seven chakras, from the first chakra (red) to the
seven chakra (violet).
In Amazonian cultures, Rainbows have
long been associated with malign spirits that cause harm, such as miscarriage
and (especially) skin problem.
In art
rainbow are generally described as very colourful and peaceful. The rainbow
often occur in paintings. Frequently these have a symbolic or programmatic
significance (for example) Albrecht Dürer’s Melancholia 1). In particular the
rainbow appears regularly in religious art (for example, Joseph Anton Koch’s
Noah’s thanks offering). Romantic landscape painters such as Turner and
constable were more concerned with reloading fleeting efforts of light (for
example constable’s Salisbury
cathedral from meadows).
Noah Thanks offering by Joseph Anton
Koch. Noah build an
Alter to the Lord after being
delivered from the flood; God
sends the rainbow as Sign of Covenant (Gen 8-9).
Music
· In End of the Rainbow by September, the singer sings about the rainbow,
and how she will be at the end of the rainbow and her ex could see her there
when he reaches the end of the rainbow.
- Ronnie James Dio used rainbows as a thematic element in many of his songs, particularly as singer and lyrics-writer for Ritchie Blackmore's band Rainbow. Most notable among these are the songs Catch the Rainbow, Rainbow Eyes and the Dio song Rainbow in the Dark.
- In Rainbow Connection, a song known for being sung by Kermit the Frog, the idea of a rainbow is seen as something to wish on, as it is popularly seen as a vision, or symbol of hope.
Firm
- In the film The Wizard of Oz, lead character Dorothy Gale sings the song "Over the Rainbow" where she fantasies about a place over the rainbow, where the world is in peace and harmony.
- In Marianne, a double rainbow was filmed by chance when Sandra is introduced for the first time.
- In Rainbow, damage to a rainbow threatens the world at large.
MEANING OF THE SEVEN COLORS OF RAINBOW
The foundation for color symbolism has been built upon many centuries
of history, religion, tradition and superstition. Practically every race and
culture has used color symbolically assigning a variety of qualities and even
specific objects to certain colors. The reason is probably that the sensation
of color is a primitive one. Reaction to it, recognition of it, requires little
effort of intellect or imagination. Color conveys moods that affix themselves
quite automatically to human feeling.
Sir Isaac Newton in his early
physics experiments decided the colors of the rainbow were Red, Orange, Yellow,
Green, Blue, Indigo and Violet. Many of us remember them as ROYGBIV. Are there
only seven colors? Newton
believed in numerology and thought special numbers governed all natural
phenomena. Seven is a very special number. There are seven days in the week,
seven openings in our head, seven seas, seven continents and many other
important sevens. So, of course he found exactly seven colors. In reality, the
rainbow colors merge gradually into one another. Our eyes sort them into
groupings.
The ancient Egyptians, Chinese, and Indians had believed in chromo
therapy, or healing with colors. In chromo therapy, red is believed to
stimulate physical and mental energies, yellow to stimulate the nerves, orange
to stimulate the solar plexus and revitalize the lungs, blue to soothe and heal
organic disorders such as colds, hay fever, and liver problems, and indigo to
counteract skin problems and fevers. (Paul '89) Most people have skeptical
opinion about color healing; however, the medical profession makes use of color
in certain treatments. For instance, premature babies with jaundice are cured
by a chemical reaction triggered by exposure to blue light for several days.
The relation between blue light and jaundice is beginning to be well understood
scientifically.
The warm colors are active and exciting such as a red and its
neighboring hues. The cool colors which are passive and calming are blue,
violet and green. Likewise, light colors are active, while deep colors are
likely to be passive. Red colors tend to increase bodily tension, to stimulate
the autonomic nervous system, but green and blue colors release tension and
have a lesser physiological effect. Below you will find the most common
meanings assigned to certain colors as well as some mystic beliefs associated
with that color. I will list the colors in a way that you would see them in a
rainbow. this also mirrors how the colors are presented in relationship to the
Hindu Belief regarding chakra color.
Red =
vitality
This is the most
exciting color and is known to escalate the body's metabolism. Dark red has anger
implications it indicates high energy, determination, and much passion. The color red has been part of the English
language since about A.D. 900. It is the primary color at the lower or least
deflected end of the visible spectrum. Its name is used for shades ranging from
very bright, bold red, to reddish yellow or reddish brown. The color red has
also been a representation of love within a relationship between two people. A
red rose, given to the bearer's lover or mate has always been known as a symbol
of love, as well as the ever-popular red heart on Valentine's Day. Red has come
to mean beauty, love, strength, energy, courage, career, goals, power, and
willpower. Red is the color most associated with the South direction. In
Christianity, red symbolizes Love, blood and the martyrdom of Christ. In Hindu
belief, red represents the Kundalini or genital chakra.
Orange = Creative
Energy
This is the only
color of the spectrum whose name was taken from an object, the well-known and
popular fruit called the orange. The fruit comes from an evergreen tree, Citrus
aurantius, and the word "orange", comes from the Old French orenge.
Since about 1300 it has used as part of the English language. Because the tree
is evergreen and ever bearing, the color orange became associated with
fruitfulness. On the visible spectrum this reddish-yellow color lies between,
red and yellow the two colors that when blended together are the creators of
the color orange. In folklore the color orange stands for fire and flames, lust,
vigor, excitement, adventure and wholesomeness. Orange also has meaning for
success, stimulating energy, justice, attraction, endurance. In Hindu belief,
orange represents the sacral chakra.
Yellow = wisdom
This is cheerful but
can become irritating if alone for too long. dark yellow can be oppressive
while light yellow is breezy. The bright golden color yellow lies between green
and orange on the visible spectrum and is, along with red and blue, one of the
primary colors. Since about A.D. 900 the color yellow has been integrated into
the English language, stemming from closely related words in the Latin and
various Germanic languages. In heraldry, where it is called (gold) the color
yellow stands for the positive virtues of faith, constancy, wisdom, and glory.
It also has been thought of as being a color that represents playfulness,
light, creativity, warmth, mental powers, charm, confidence, vision, joy,
enthusiasm, optimism, and an easy going attitude about life. The color yellow also
has many negative associations as well, among them are jealousy, treachery,
cowardice, aging, and illness. Yellow represents the direction East. In Hindu
belief, it represents the solar plexus chakra.
Green
= Life, Nature, Fertility
This is peaceful, the
color of a spring meadow. Bright green can be uplifting and dark green evokes
the mental image of a grove or forest. Green is the color of freshness and
renewal, and has been in Western culture since the earliest of times. The word
"green" comes from the Old English gréne, in turn from grêne in Old
Frisian and various related Germanic languages. Reappearing in springtime,
after the dull, seemingly colorless winter, it became a symbol of fertility and
growth, of abundance and external life.
The color green
represents harmony, growth, abundance, vitality, healing, and nature and
radiates a feeling of fullness. When thoughts of nature come to mind, green,
being the color of grass, trees and plants, 99% of the time is the dominant
color of one's mental images. On the visible spectrum green lies sandwiched in
between blue and yellow. Green has come to mean youth, growing, healing,
success, good luck, and beauty. In Celtic myths the Green man was the God of
fertility.
Later in the
millennium, Early Christians banned green because it had been used in pagan
ceremonies. In the 15th Century, the color green was the best choice for the
bride's gown because of its earliest symbolism, heralding fertility. Green was
a sacred color to the Egyptians representing the hope and joy of spring. Green
is a sacred color to Moslems. In modern times, anyone who chooses a green m
& m (an American candy which contains an assortment of different colored
chocolate sweets) is sending a somewhat similar message. In Christianity, green
means hope and growth in Christian Life. In Hindu belief, green represents the
heart chakra.
Blue = Truth, Friendship, Faith
This is the most
calming color. It is considered to be the second most powerful color after red
and blue is the color of constancy and faith, the color painters used for the
Virgin Mary's robe, the color of the heavens and the oceans. The soothing color
blue stands for sky, good health from good air, sensitivity, truth, sleep,
healing, hope, friendship, protection, calm, creativity, patience, wisdom,
peace, loyalty and ones desire to nurture.
The word
"blue", from Middle English blew and Old English Blaw, has been used
since about 1300 to describe a color of the spectrum. In the symbolism of
heraldry blue is called azure and signifies piety and sincerity.
In Christianity, Blue
symbolizes Mary and Advent. In Hindu belief, blue represents the throat
chakra.
INDIGO
= INFINITY
This is the color
that indicates dignity, tranquility, higher intuition, psychic powers, and
trustworthiness. It is as calming and shares many traits with blue but being
darker the affect is more intense and powerful. Since indigo has some of the
shading of violet, it shares some of the traits of violet as well. It provides
calm and coolness without cooling your intent. In hindu belief, it is the color
of the thrid eye chakra.
Indigo amplifies the
energy of blue in a profound way. At a physical level, while blue is calming,
indigo is sedating. It deepens and turns blue energy inward.
Violet
= Spiritual Mastery
This is the color of
royalty but rare in nature and perceived as artificial. Light purple or
lavender is a fashion favorite while dark purple implies wealth. A combination
of red and blue, purple is a color that has been associated with royalty since
ancient Roman times.
Violet is the ray of spiritual mastery.
It is the highest and most subtle specialization of light, being at the
opposite end of the color spectrum to red. belief, visionary leadership, respect and wealth
and has been worn by emperors, military commanders, and other high-ranking
officials. It also has come to symbolize psychic ability, success, wisdom, power,
spiritual growth, and independence. Lavender has come to mean reverence and
royalty.
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