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The largest know star Canis Majoris is so big that if our sun were a ball 117cm(46in) wide, Canis Majoris would be 2.25 kilometres (1.3 miles) wide.
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Black holes come in three size: stellar mass, intermediate mass and supermassive.
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The Horoscope
Part-4
The key to natal astrology is the horoscope, a chart showing the positions of the planets in the sky at the moment of an individual’s birth. The word “horoscope” comes from the Greek words hora (meaning “time”) and skopos (meaning a “watcher” or “marker”), so “horoscope” can literally be translated as “marker of the hour.” When a horoscope is charted, the planets (including the Sun and Moon, classed as wanderers by the ancients) must first be located in the zodiac. At the time astrology was set up, the zodiac was divided into 12 sectors called signs, each 30° long. Each sign was named after a constellation in the sky through which the Sun, Moon, and planets were seen to pass—the sign of Virgo after the constellation of Virgo, for example.
When someone today casually asks you your “sign,” they are asking for your “sun sign”—which zodiac sign the Sun was in at the moment you were born. However, more than 2000 years have passed since the signs received their names from the constellations. Because of precession, the constellations of the zodiac slide westward along the ecliptic, going once around the sky in about 26,000 years. Thus, today the real stars have slipped around by about 1/12 of the zodiac—about the width of one sign.
In most forms of astrology, however, the signs have remained assigned to the dates of the year they had when astrology was first set up. This means that the astrological signs and the real constellations are out of step; the sign of Aries, for example, now occupies the constellation of Pisces. When you look up your sun sign in a newspaper astrology column, the name of the sign associated with your birthday is no longer the name of the constellation in which the Sun was actually located when you were born. To know that constellation, you must look for the sign before the one that includes your birthday.
A complete horoscope shows the location of not only the Sun, but also the Moon and each planet in the sky by indicating its position in the appropriate sign of the zodiac. However, as the celestial sphere turns (owing to the rotation of Earth), the entire zodiac moves across the sky to the west, completing a circuit of the heavens each day. Thus, the position in the sky (or “house” in astrology) must also be calculated. There are more or less standardized rules for the interpretation of the horoscope, most of which (at least in Western schools of astrology) are derived from the Tetrabiblos of Ptolemy. Each sign, each house, and each planet—the last acting as a center of force—is supposed to be associated with particular matters in a person’s life.
The detailed interpretation of a horoscope is a very complicated business, and there are many schools of astrological thought on how it should be done. Although some of the rules may be standardized, how each rule is to be weighed and applied is a matter of judgment—and “art.” It also means that it is very difficult to tie down astrology to specific predictions or to get the same predictions from different astrologers.
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Astrology Today
Part-3
Astrologers today use the same basic principles laid down by Ptolemy nearly 2000 years ago. They cast horoscopes (a process much simplified by the development of appropriate computer programs) and suggest interpretations. Sun sign astrology (which you read in the newspapers and many magazines) is a recent, simplified variant of natal astrology. Although even professional astrologers do not place much trust in such a limited scheme, which tries to fit everyone into just 12 groups, sun sign astrology is taken seriously by many people (perhaps because it is discussed so commonly in the media).
Today, we know much more about the nature of the planets as physical bodies, as well as about human genetics, than the ancients could. It is hard to imagine how the positions of the Sun, Moon, or planets in the sky at the moment of our birth could have anything to do with our personality or future. There are no known forces, not gravity or anything else, that could cause such effects. (For example, a straightforward calculation shows that the gravitational pull of the obstetrician delivering a newborn baby is greater than that of Mars.) Astrologers thus have to argue there must be unknown forces exerted by the planets that depend on their configurations with respect to one another and that do not vary according to the distance of the planet—forces for which there is no shred of evidence.
Another curious aspect of astrology is its emphasis on planet configurations at birth. What about the forces that might influence us at conception? Isn’t our genetic makeup more important for determining our personality than the circumstances of our birth? Would we really be a different person if we had been born a few hours earlier or later, as astrology claims? (Back when astrology was first conceived, birth was thought of as a moment of magic significance, but today we understand a lot more about the long process that precedes it.)
Actually, very few well-educated people today buy the claim that our entire lives are predetermined by astrological influences at birth, but many people apparently believe that astrology has validity as an indicator of affinities and personality. A surprising number of Americans make judgments about people—whom they will hire, associate with, and even marry—on the basis of astrological information. To be sure, these are difficult decisions, and you might argue that we should use any relevant information that might help us to make the right choices. But does astrology actually provide any useful information on human personality? This is the kind of question that can be tested using the scientific method.
The results of hundreds of tests are all the same: there is no evidence that natal astrology has any predictive power, even in a statistical sense. Why, then, do people often seem to have anecdotes about how well their own astrologer advised them? Effective astrologers today use the language of the zodiac and the horoscope only as the outward trappings of their craft. Mostly they work as amateur therapists, offering simple truths that clients like or need to hear. (Recent studies have shown that just about any sort of short-term therapy makes people feel a little better because the very act of talking about our problems with someone who listens attentively is, in itself, beneficial.)
The scheme of astrology has no basis in scientific fact, however; at best, it can be described as a pseudoscience. It is an interesting historical system, left over from prescientific days and best remembered for the impetus it gave people to learn the cycles and patterns of the sky. From it grew the science of astronomy, which is our main subject for discussion.
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The Beginnings Of Astrology
Part-2
Astrology began in Babylonia about two and half millennia ago. The Babylonians, believing the planets and their motions influenced the fortunes of kings and nations, used their knowledge of astronomy to guide their rulers. When the Babylonian culture was absorbed by the Greeks, astrology gradually came to influence the entire Western world and eventually spread to Asia as well.
By the 2nd century BCE the Greeks democratized astrology by developing the idea that the planets influence every individual. In particular, they believed that the configuration of the Sun, Moon, and planets at the moment of birth affected a person’s personality and fortune—a doctrine called natal astrology . Natal astrology reached its peak with Ptolemy 400 years later. As famous for his astrology as for his astronomy, Ptolemy compiled the Tetrabiblos , a treatise on astrology that remains the “bible” of the subject. It is essentially this ancient religion, older than Christianity or Islam, that is still practiced by today’s astrologers.
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Astrology and Astronomy
Part-1
Many ancient cultures regarded the planets and stars as representatives or symbols of the gods or other supernatural forces that controlled their lives. For them, the study of the heavens was not an abstract subject; it was connected directly to the life-and-death necessity of understanding the actions of the gods and currying favor with them. Before the time of our scientific perspectives, everything that happened in nature—from the weather, to diseases and accidents, to celestial surprises such as eclipses or new comets—was thought to be an expression of the whims or displeasure of the gods. Any signs that helped people understand what these gods had in mind were considered extremely important.
The movements of the seven objects that had the power to “wander” through the realm of the sky—the Sun, the Moon, and five planets visible to the unaided eye—clearly must have special significance in such a system of thinking.
Most ancient cultures associated these seven objects with various supernatural rulers in their pantheon and kept track of them for religious reasons. Even in the comparatively sophisticated Greece of antiquity, the planets had the names of gods and were credited with having the same powers and influences as the gods whose names they bore. From such ideas was born the ancient system called astrology, still practiced by some people today, in which the positions of these bodies among the stars of the zodiac are thought to hold the key to understanding what we can expect from life.
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I'm association with Elon musk America launch the first rocket holding human being.
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👉ይህን ያውቁ ነበር?፦
(ስለ 13ኛው ኮከብ ኦፊዮከስ..)
➪ ኦፊዮከስ (/ ɒfiˈjuːkəs /) በሰማይ ያለ ትልቅ (constellation) የህብረክዋክብት ስፍራ ነው፡፡ ኦፊዮከስ የሚለው ስም ከግሪክ Ὀφιοῦχος (ኦፊዮኮሆ) ከሚለው ቃል የተወሰደ ሲሆን ትርጉሙም “እባብ ተሸካሚ” ማለት ነው፡፡ እሱም በተለምዶ እባብን እንደሚይዝ ሰው ይወክላል (ምልክት ⛎ ፣ ዩኒኮድ U + 26CE)። (The serpent is represented by the constellation Serpens.) እባቡም የኦፊዮስን ወይም እባብ ተሸካሚ ተብሎ የሚጠራን ሕብረ ከዋክብት ነው የሚወከለው።
➪ ከ 3,000 ዓመታት በፊት ባቢሎናውያን የ 12 ወር የቀን መቁጠሪያ (በጨረቃ ደረጃዎች ላይ በመመርኮዝ) ሰርተው ይጠቀሙ ነበር፡፡ በኋላም 13 ሕብረ ከዋክብቶችን (constellations) አጊንተዋል፡፡ ነገር ግን ሕብረ ከዋክብቶቹን ለ 12 ወራቶች ከፍለው በሰየሟቸው ጊዜ ከ 13ቱ ሕብረ ከዋክብቶች አንዱ የሆነውን ኦፊዮከስ በማስቀረት ከመናዝሉ (zodiac) ውጪ እንዲሆን አድርገውታል፡፡
➪ NASA በቅርቡ ባወጣው አዲስ መረጃ መሰረት ኦፊዮከስ በመናዝል (zodiac) ውስጥ የራሱን ጊዜ ይዞ ተካቷል፤ ይህም ሊሆን የቻለው በየዓመቱ የፀሐይ ጨረር በኦፊዮከስ ላይ ለ 18 ቀናት ያህል በመሰራጨቱ ነው ሲል መረጃውን አጠናክረውታል፡፡ በመናዝል ሰንጠረዥ ውስጥ ሲገባ ቦታው በአቅራብ ውሃ (scorpio) እና በቀውስ እሳት (sagittarius) መካከል የሚገኝ ይሆናል፡፡ በኦፊዮከስ የ 18 ቀናት ይዞታ (መጋራት) የተነሳ በመናዝሉ ላይ የቀናቶች መንሸራተት ይከሰታል፡፡ ይህ ማለት ኮከቦች የሚገዙት ጊዜ (ቀናቸው) በመቀናነሱ የተነሳ የብዙ ሰዎች የልደት ቀን በሌላ ገዢ ኮከብ (አስተዳደር) ስር ሆኖ ሊገኝ ይችላል፤ ከመጀመርያ ኮከባቸው ፊት ወደሆነው ወይም ኋላ ወደሆነው ኮከብ ቀኑ ይንሸራተትና ኮከባቸው ይቀየራል ማለት ነው፡፡
➪ አንዳንዶች እስከዛሬ ድረስ ስለ ኮከባችሁ ስታነቡ ይሄ እኛን አይገልፅም ያላችሁ አንባቢያን ትኖራላችሁ ምናልባት አሁን የኦፊዮከስ ኮከብ መካተት ለትክክለኛ ኮከባቹ መገለጥ ምክንያት ይሆናችኋል ብዬ ተስፋ አደርጋለሁ፡፡ ከታች አዲሱን የልደት ሰንጠረዥ እ.አ.አ እንደሚከተለው አቀርቤላችኋለሁ፡:
Here are the correct dates for the star signs:
♈️Capricorn: Jan 20 - Feb 16
♒️Aquarius: Feb 16 – March 11
♓️Pisces: March 11 – April 18
♈️Aries: April 18 – May 13
♉️Taurus: May 13 – June 21
♊️Gemini: June 21 – July 20
♋️Cancer: July 20 – Aug 10
♌️Leo: Aug 10 – Sept 16
♍️Virgo: Sept 16 – Oct 30
♎️Libra: Oct 30 – Nov 23
♏️Scorpio: Nov 23 – Nov 29
⛎Ophiuchus: Nov 29 – Dec 17
♐️Sagittarius: Dec 17 – Jan 20
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