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An Introduction to Cosmobiology

Cosmobiology examines the relationship between cosmic phenomena and biological life on Earth. Its historical foundations lie within the tenets of the major systems of astrological knowledge. Cosmobiology is not a "new" or "different" type of astrology, only a new approach, and a natural evolution of the ancient science from a study riddled with charlatanism, mysticism and error to a systematic and scientific method of interpreting celestial events. Cosmobiology should make possible the escape of astrology from its previous position of ridicule.

Cosmobiology had its beginnings over forty years ago under the direction of Mr. Reinhold Ebertin. Mr. Ebertin's work has involved difficult years of research into the world's various systems of astrology in order to glean from them the most valuable and valid information. His research has been enhanced by the resources of several brilliant astrologers, as well as persons in other scientific fields. The use of Cosmobiology began in Germany, and quickly spread throughout Europe. However, the same factors that have always kept new astrological developments from reaching our shores were at work again, and prevented Cosmobiology from being introduced here (U.S.) until January 1970.

Some astrologers have assumed that Cosmobiology is only a supplement to the traditional methods. This is a completely false assumption. Even though interpretations from Cosmobiology can be applied to traditional methods with great success, attempts at combining the two methods will result in confusion and misinterpretation.

It is not worthwhile to condemn traditional astrology, but only to renovate the methods used and expose astrology's non-mystical truths.

 Cosmobiology uses a single reference book for all possible planetary combinations. It is a concise, systematically arranged manual entitled, "The Combination Of Stellar Influences." It is a required book for study, and is generally referred to by its German initials: "K. D. G." (Kombination der Gestirneinflusse).

The "K.D.G." is arranged in the order most familiar to students. The Sun, Moon and stellar bodies are in order according to their distance from the Sun, with the Moon's Nodes, the Ascendant, and Midheaven being last. The interpretations of the stellar bodies are given individually at the beginning of the "K.D.G.", and are followed by interpretations of the possible combinations," and to re-structure an interpretation, relying on the principle of a combination and accounting for the salient elements in the individual environment.

Cosmobiology solicits no dedication by fanatical double-talkers or would-be prophets - it solicits only hard-working, open-minded people.

The only pre-requisite for beginning in Cosmobiology is a sufficient knowledge of basic astrology.  By "sufficient," it is meant a thorough knowledge of chart erection; an understanding of basic keywords for the planets, signs, and aspects; and, some familiarity with simple interpretation. If the student uses a house system, he or she will be surprised to discover that houses will play no important role in Cosmobiological studies.

It often happens that students of astrology question the reliability a their studies. If your research and/or the traditional interpretations don't seem complete, then investigate Cosmobiology! The results a "traditional" astrologer will get with the proper application of Cosmobiology will startle even the most confident of practitioners!


After many years of astrological study, one can become very disillusioned about the applied principles of astrology.  At times like this Cosmobiology comes like a breath of fresh air and a dark cloud of fear at the same time. The "radical" statement of no houses being used frightens some astrologers terribly, but  investigation will prove why Cosmobiology leaves the houses out, and the advantages of doing so. After all, astrology in the beginning had just  the planets, then the ancients devised the zodiac around them, and much later the houses were added. This must have been the reason why, in devising this new method of astrology, Reinhold Ebertin exchanged the man-made "artificialities" for more scientific principles.

There has always been great controversy about the validity of the commonly known house systems (enhanced by the advent of Cosmobiology). The house system controversy is not whether the houses are valid as astrological tools. Rather, the main concern centers around the philosophy of how to divide the space in a horoscope. The house division concept has been so poorly defined that the average astrologer is left wading in a swamp of mathematics and theories that are not yet proven principles, or even common denominators for all astrologers. Much of the astrological literature and terminology has been used, termed and re-termed, without any research or deep investigation to establish a functional foundation to support its vast storehouse of evidence and stellar influence.

Two important questions come to mind immediately:

1.  Do you question the house system you are using?? 

2.  Do you even know the basic principles behind the House system you are using??

These questions lead to a short discussion of how the zodiac (first) and the various house systems (second) evolved. Going back into Chaldean time, the original zodiacs and house systems were derived from many different man-made explanations of the world man lived in. Events and things that could not be otherwise explained were either deified or explained as being caused by a "God" or "Ruler" of the event or thing in question. Since that time we have accumulated rulers, dignitaries, dispositors, exaltators, etc., for planets, signs, houses, decanates, duads, and so on. They undoubtedly had their origin from the old Vegetation demons and natural God-like images which represented the cycles of the dying and rebirth of the year, the sowing seasons and harvests, the fields and grape vines, beasts of burden and plows, floods and shepherds, etc.

They were based on cultural and environmental aspects of daily life and ancestral knowledge. In much later times the duodecimal zodiac originated, in which again are seen the symbols of the “Gods” or “Rulers”. . The old, established “Gods” such as Saturnus, Ceres, Ishtar and Isis were made mortal in the kingdom of the heavens.

At approximately the same time as the advent of the duodecimal zodiac, a dismantling and simplification of the polymorphic “Gods of Heaven” (Himmelsgotter) took place, reducing the large numbers of “Gods of Heaven” to 12! In many oriental nations a Hierarchy of 12 gods was established. There were the 12 sons of Jacob that founded the 12 tribes of Israel; the 12 princes of Ishmael; the 12 Greek Gods; Osiris, the Egyptian King-god had 12 apostles; the Aztec god-king Quetzalcoatl had 12 disciples — as did Christ!

About 180 A.D., Claudius Ptolemy lived in Alexandria. He was a great astronomer (without telescope!) and mathematician, and was also one of the leading intellectuals of his day. He established principles of cosmic influences (which still lie at the heart of modem astrological practice), and instituted the concept of assigning planetary rulership to the twelve divisions of the zodiac which were already in existence at this time.

Looking into the history of the zodiac and houses, you can find the sidereal zodiac (based on the actual constellations) to be the older version. The younger version, which is the tropical zodiac, was adopted more or less by mistake through the enormous prestige of (Claudius) Ptolemy, and is today the most widely used and the most convenient.

At this point it is worth quoting Ptolemy’s reason for adopting the tropical zodiac: “The Zodiac being a circle has no natural beginning, so the sign of the Ram which begins from the Vernal Equinox is taken as the beginning of the twelve, and as if the Zodiac were a living being, they make it begin with the excessive moisture of spring and make the other seasons follow, because all creatures in their first youth have an excess of moisture and like the spring, are still delicate and growing.” Tetrabiblos 1, 10.

Nothing could be less scientific than these words of the great scientist! He states quite clearly that Cancer owes its position of influence to the fact that it follows the summer solstice. But — what happens in the Southern Hemisphere, where Cancer follows the winter solstice? Logically, the influence of Cancer must be replaced by that of Capricorn! Ptolemy’s genius in devising the tropical zodiac borders on the amazing because he HAD NO KNOWLEDGE OF THE EXISTENCE OF THE SOUTHERN HEMISPHERE!!

Of all the varied house systems, Placidus’ and Ptolemy’s (Equal House System) are the most commonly used; although since the early 1970’s the Koch house system has gained prominence.

The basic argument still centers on how to divide the zodiac circle, instead of questioning and researching the old established principles. (The telescope was invented in 1608, but was not really understood or fully utilized until about 180 years later!)

Beginning in the late 1700’s, three new planets were discovered: URANUS (in 1781 by Herschel); NEPTUNE (in 1845 by Adams and Leverrier); PLUTO (in 1930 by Lowell). These three new planets which were discovered by modern scientific instruments were added to an assumed, man-made structural theory, and through the years astrologers conveniently have found ways to incorporate these new planets into the old house system structures. Why? DO WE REALLY NEED THE HOUSES? IS THERE A WAY WE CAN COMPENSATE FOR THEM IF WE DISCARD THEM?

Most astrologers agree that the houses are areas of experiences. But, for instance, is there any proof that the planet Pluto in the 9th house means the same thing for everyone? Would it not be more proper to establish, by research, a common tendency emanating from the qualities of Pluto, and leave the “flavor and coloring,” etc., to environmental, hereditary, cultural, and national factors? After all, ice cream is still ice cream even when colored and flavored, and there are many more colors and flavors than 12!

Life has indeed changed since Ptolemy’s time. More facts (and planets) have become known; a higher degree of technology is now available to us. This makes the house system of Ptolemy, not invalid, but out of date! Isn’t it time for us to adjust? To progress? Shouldn’t we incorporate the “new” facts (planets) and technology we have available, rather than continue to use arbitrary, fixed, out-of-date patterns and tools?

When an astrologer makes a statement such as: “The 12th house is ruled by Neptune, which is located in the 8th house and is making a tine to Uranus in the 11th house,”  this type of statement is actually not in line with the original conception, since Ptolemy did not know of the “higher octave planets.” It does not seem logical to continue to use concepts derived from only partial facts.
Many astrologers have recently been incorporating some of the procedures of Cosmobiology in their delineations (with no reference to. or mention of Cosmobiology or Reinhold Ebertin). The use of midpoints by many traditional astrologers is an example.


1. Before discussing Midpoints, a review of aspects in general will be helpful. According to Nicholas de Vore's "Encyclopedia of Astrology," aspects were anciently defined as: “Familiarities or Configurations”. Certain angular relationships between the rays which reach the earth from two celestial bodies, or between one ray and a given point, such as: the horizon; the degree that was on the horizon at a given moment; the point on which an Eclipse or other celestial phenomenon occurred; the place of the Moon's Nodes; or the cusps of the Houses, particularly the First and Tenth, etc."

Much has been written about aspects, and special aspect combinations in rare birth charts, within the various House systems. Cosmobiology takes a drastic step and eliminates much tradition for more realistic and scientific views. Through years of teaching, the author has observed that new students immediately form opinions about aspects (good or bad). They hang on to trine aspects for dear life, and build up a fear of squares and oppositions that is very difficult to eliminate. Too much emphasis has been placed on the type of aspect, instead of the planets which are involved in the aspect.

In Cosmobiology the trines and other so-called "harmonious" aspects are classified as merely conditions in an individual's environment, and not as "good fortune" to be realized at some point in the future. Trine aspects are inherent components of an individual's character, personality, and ego; they are not guarantees of certain glamour spots in one's life.

The square aspects, also present at birth, are, on the other hand, generally considered to be the
misfortunes we must all confront as we live. It seems as though some astrologers have invented a
game in which the winner has an abundance of trines and the loser has a quagmire of squares!
The square aspects represent the conditions which are seemingly thrust in our path as we live life. These conditions can be mapped, and their severity calculated, but they are by no means instruments of fate or bad luck. In Cosmobiology, the degree of difficulty presented by hard aspects is determined by the definitions of the stellar bodies involved; but the means by which the influences are manifested depends upon several factors, including: the environment; genetic make-up; socio-political conditions; and the reaction of the individual in a positive or negative manner.
So, it can be seen, square aspects are not intrinsically "bad"; it is only the reaction of the individual to the influences that causes so much turmoil in the interpretations. The continuing improvement of traditional methods has also led to this line of thinking, so it should not be difficult for the student to see how all angular relationships between the stellar bodies are interpreted. For those of you who severely question this proposition, think back and recall an obstacle in your life or a difficult situation or time and ask yourself whether it was the aspect alone that made it so.

2. The Cosmogram (90-degree circle) does not technically allow trines, sextiles, or semisextiles, and since research has shown that their meanings are not greatly valuable in interpreting a person's reaction to stellar influences they are not included in Cosmobiological texts.

3. While many textbooks available to students of astrology emphasize the "type" of aspect, Cosmobiology does not. For instance, in traditional astrology, Mars-square-Uranus is "unfortunate," while Mars-tine-Uranus is "fortunate," etc. This type of classification can be misleading, because it disregards four important properties of aspects, which are taken into consideration in Cosmobiology:
a. The combination of the unique characteristics of each stellar body involved.
b. The role a particular aspect plays in relation to the entire chart as a unit.
c. How the individual chooses to react in given circumstances (positively or negatively).
d. Environmental conditions.

The possible reaction is always more pertinent to a given case than whether there is a tine or square aspect involved. For instance, Jupiter-square-Saturn is usually considered negative. In analyzing the nature of the planets involved, Saturn stands for separation, restriction, etc., and Jupiter for luck and abundance. Together the planets (even though in a square aspect) could produce an influence indicating a lucky separation - and all of us have experienced these fortunate separations in our lives.

When considering the aspects in a 90-degree circle, you will also notice that there are no angular relationships which are multiples of 30 degrees; i.e., there are only squares, semi-squares, sesquisquares, oppositions, and conjunctions - all multiples of 45 degrees.

4. When several stellar bodies are grouped together in the 90-degree circle, they will be oppositions, squares, or conjunctions in the traditional chart.

5. When two stellar bodies are in opposition in the 90-degree circle, they are either 45 degrees or 135 degrees apart in the 360-degree horoscope. All of this has the effect of placing more interpretative emphasis on the 45-degree-divisible-aspects of an individual's chart. Although they have been neglected in the past, semisquares and sesquisquares receive special significance.

6. In Cosmobiology, not only are the so-called "hard" aspects given more attention, but a unique angular/distance relationship between the stellar bodies is utilized. This relationship is commonly known as the midpoint.

7. The midpoint theory was founded centuries ago, and has fluctuated from prominence to obscurity in its use by astrologers. Alfred Witte, the founder of the Hamburg School of Astrology, is credited with the introduction of the midpoint system to modern astrology. Midpoints became the object of intense research by Reinhold Ebertin, and were later incorporated by him into a system which presently dominates the astrological world.

Although midpoints are the major tools of Cosmobiological interpretations, they are not the exclusive property of Cosmobiology. Uranian astrology uses a midpoint theory, but in conjunction with a system of hypothetical planets and houses which leaves its validity in a dubious position. Midpoints have been shown to make much of traditional interpretation vague and even obsolete.

8. The midpoint theory, as the name implies, involves the zodiacally calculated half-way point between two stellar bodies. Midpoints are calculated using the standard mathematical midpoint formula, as follows:
a. Add together the distance (in degrees and minutes) of one stellar body (A) from 0 degrees Aries to the position of a second stellar body (B). The location (degrees and minutes) of the second stellar body (B) has been calculated in the same way as (A).
b. Divide the total (sum) by two. The resulting quotient is the midpoint (C) of the two stellar bodies in question (A and B above).
c. The formula for calculating the midpoint of two stellar bodies is: A + B divided by 2 = C. (A = degree and minute position of one stellar body. B = degree and minute position of second stellar body. C = midpoint.)

d. Example:

 Sun at 13 degrees 47 minutes Sagittarius   =   253 deg. 47 mins.
 Moon at 10 degrees 21 minutes Cancer     =    100 deg. 21 mins.
 Sum total of Sun + Moon                           =    353 deg. 68 mins.

      Sum total of Sun + Moon divided by 2        =  177 deg. 04 mins.

Converted back into sign position, 177 degrees 4 minutes = 27 degrees 4 minutes Virgo. Therefore, the midpoint between the Sun and Moon in this example is located at 27 degrees 4 minutes Virgo. The sun/moon midpoint is expressed as:   Su / Mo