Why Astrology is not Science

Manik Roy
I Write
Published in
9 min readOct 5, 2023

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Image created by the author

Astrology, despite its longstanding presence in various cultures and its widespread popularity, is not considered a science within the framework of the scientific community. While astrology deals with the study of celestial objects and their purported influence on human affairs, it fundamentally lacks the essential characteristics and principles that define a scientific discipline. In this introduction, we will explore several key reasons why astrology does not meet the criteria for being categorized as a science.

First and foremost, astrology lacks empirical evidence to support its central claims. Unlike scientific fields that rely on rigorous data collection, experimentation, and observation to establish the validity of their theories, astrology predominantly relies on anecdotal evidence and subjective interpretations. This absence of empirical validation undermines astrology’s credibility as a science.

Furthermore, astrology often falls short in terms of repeatability and predictability, two foundational aspects of scientific inquiry. Scientific experiments should produce consistent results when repeated under similar conditions, but astrology’s predictions often vary among different practitioners and fail to demonstrate predictive power. This inconsistency challenges its status as a scientific discipline.

Additionally, astrology faces the issue of unfalsifiability, as many of its claims are vague and difficult to test. In the scientific method, hypotheses must be formulated in a way that allows them to be proven false through experimentation. However, astrology’s propensity for ambiguous, open-ended statements makes it challenging to subject its claims to empirical scrutiny.

The lack of a solid theoretical basis is another critical factor that distinguishes astrology from established sciences. Scientific disciplines are built upon well-defined theories that explain natural phenomena and provide a framework for further research. Astrology, on the other hand, lacks a universally accepted and scientifically substantiated theory to underpin its principles.

Lack of Empirical Evidence: Astrology relies on anecdotal evidence and personal testimonials, lacking systematic empirical data supporting its claims.

Subjectivity in Interpretations: Astrological interpretations can vary significantly among practitioners, showing a lack of objective standards.

Lack of Repeatability: Scientific experiments should yield consistent results when repeated; astrology does not demonstrate this characteristic.

Absence of Controlled Experiments: Unlike scientific studies, astrology cannot be tested through controlled experiments due to the constantly changing positions of celestial bodies.

Unfalsifiability of Claims: Astrology’s claims are often vague and unfalsifiable, making it challenging to test their validity.

Confirmation Bias: People tend to focus on astrological predictions that seem accurate while ignoring those that do not, leading to confirmation bias.

Barnum Effect: Astrology often uses general and ambiguous statements (e.g., horoscopes) that could apply to anyone, known as the Barnum effect.

Lack of Theoretical Basis: Astrology lacks a scientific theory explaining the mechanisms by which celestial bodies influence human behaviour.

Inconsistent Astrological Systems: Different astrologers use different systems and approaches, leading to inconsistency in predictions and interpretations.

Absence of Peer-Reviewed Research: Astrology lacks peer-reviewed research published in reputable scientific journals.

Lack of Predictive Power: Astrology’s ability to predict specific events or outcomes has been largely disproven.

Ignorance of New Celestial Bodies: Astrology has not adapted to the discovery of new planets and celestial bodies.

Precession of the Equinoxes: Astrology does not account for the precession of the equinoxes, which has shifted the zodiac signs.

Cultural Variations: Different cultures have their astrological systems, undermining the universality of astrology.

Lack of Consensus Among Astrologers: There is no consensus among astrologers regarding the meaning and influence of celestial bodies.

Lack of Peer Review: Astrological predictions are not subject to rigorous peer review, as scientific studies are.

Lack of Controlled Conditions: Scientific experiments require controlled conditions, which are impossible in astrology due to the constantly changing celestial positions.

Failure to Predict Major Events: Astrology has repeatedly failed to predict major historical events, such as wars and pandemics.

Disproven Claims: Many astrological claims, such as the influence of celestial bodies on personality traits, have been disproven.

Cherry-Picking Data: Astrologers often select information that supports their claims while ignoring contradictory evidence.

Lack of Peer-Reviewed Journals: There are no reputable peer-reviewed journals dedicated to astrology.

Lack of Control Groups: Scientific studies use control groups to compare results, which is not feasible in astrology.

Incompatibility with Physics: Astrology’s claims about celestial influences on human behaviour are not consistent with the laws of physics.

Inconsistent Predictions for Twins: Astrology cannot explain why twins, born at the same time and place, often have different personalities and life paths.

Lack of Causal Mechanisms: Astrology does not offer plausible explanations for how celestial bodies exert their influence.

Lack of Empirical Support for Astrological Mechanisms: There is no scientific evidence to support the proposed mechanisms of astrology.

Failure to Adapt to Advancements in Astronomy: Astrology has not kept pace with advancements in astronomy and astrophysics.

Lack of Statistical Significance: Statistical analyses of astrological data often fail to demonstrate significant correlations.

No Consensus on Astrological Houses: Astrologers disagree on the meanings and significance of astrological houses.

Ambiguity of Astrological Symbols: The interpretation of astrological symbols and signs can be highly subjective.

Disagreement on Birth Charts: Different astrologers may produce different birth charts for the same individual.

Ignored Negative Outcomes: Astrology tends to ignore cases where predictions do not come true.

Historical Inaccuracies: Astrological claims about historical figures often do not align with historical records.

No Mechanism for Remote Celestial Influence: Astrology lacks a mechanism to explain how distant celestial bodies influence human behaviour.

Inconsistent Astrological Calendars: Different astrological systems use different calendars and zodiacs, leading to confusion.

Misuse of Statistics: Astrologers may use statistical methods incorrectly to support their claims.

Vague Terminology: Astrological terminology can be imprecise and open to interpretation.

Failure to Predict Astronomical Events: Astrology has failed to predict astronomical events such as eclipses and planetary transits.

Lack of Reproducibility: Scientific experiments should produce consistent results when repeated, which astrology does not.

Misinterpretation of Correlations: Correlations between celestial positions and human events do not necessarily imply causation.

Limited Explanatory Power: Astrology cannot explain the vast complexity of human behaviour and events.

Lack of Empirical Support for Astrology’s Central Claims: Scientific evidence does not support the core tenets of astrology, such as the influence of celestial bodies on human lives.

Lack of Rigorous Data Collection: Astrology lacks standardized methods for collecting and analysing data, making it susceptible to bias.

Misattribution of Personality Traits: Astrology attributes personality traits to celestial bodies without empirical evidence or causative mechanisms.

Ignorance of Individual Variability: Astrology often oversimplifies human behaviour and ignores individual variability.

Failure to Account for Environmental Factors: Astrology overlooks the influence of environmental and societal factors on behaviour and outcomes.

Reliance on Horoscopes: Many astrological predictions are based on generic horoscopes that lack specificity.

Commercialization of Astrology: Astrology is often commercialized for profit, which can undermine its scientific credibility.

Astrology’s Historical Roots in Mysticism: Astrology’s historical origins are rooted in mystical beliefs rather than scientific principles.

Disregard for Scientific Scepticism: Astrology often dismisses scientific scepticism and criticism.

Use of Anecdotal Evidence: Anecdotes are frequently used to support astrological claims, which are not reliable forms of evidence.

No Predictive Success in Scientific Tests: Astrology has not demonstrated predictive success in controlled scientific tests.

Absence of Peer-Reviewed Astrology Textbooks: Unlike established sciences, astrology lacks widely accepted peer-reviewed textbooks.

Inconsistent Predictions for People Born on the Same Day: Astrology fails to explain why people born on the same day often have different life paths.

Inconsistent Predictions for Siblings: Astrology cannot account for the differing life trajectories of siblings born at the same time and place.

Lack of Scientific Conferences on Astrology: Genuine scientific disciplines hold conferences to share research and knowledge, which is lacking in astrology.

Disregard for the Scientific Method: Astrology often disregards the fundamental principles of the scientific method.

Astrology’s Reliance on Tradition Rather Than Evidence: Many astrological practices are upheld based on tradition rather than empirical support.

Inability to Account for Personality Changes Over Time: Astrology struggles to explain how personality changes over time.

Misleading Marketing of Astrology Services: Some astrologers make extravagant claims in their marketing, which can mislead the public.

Astrological Charts’ Reliance on Arbitrary Divisions: Astrological charts divide the sky into arbitrary segments, lacking scientific justification.

Lack of Control for Observer Bias: Astrologers’ personal biases and beliefs can influence their readings.

Ignorance of Psychological and Neurological Explanations for Behaviour: Astrology ignores well-established psychological and neurological explanations for behaviour.

Failure to Predict Individual Life Trajectories Accurately: Astrology struggles to provide precise and accurate predictions for individuals.

Lack of a Unified Astrology Theory: No universally accepted theory explains all aspects of astrology.

Astrology’s Association with Pseudoscientific Practices: Astrology is often associated with pseudoscientific practices and beliefs.

No Recognition from Major Scientific Institutions: Leading scientific organizations do not recognize astrology as a valid scientific discipline.

Inability to Provide Consistent, Testable Hypotheses: Astrology struggles to generate hypotheses that can be rigorously tested.

Lack of Scientific Instrumentation in Astrological Practice: Astrology lacks the use of scientific instruments to gather data or make measurements.

Astrology’s Failure to Predict Natural Disasters: Despite claims of celestial influences, astrology cannot predict natural disasters.

Ignorance of Statistical Probability: Astrology often fails to account for statistical probability in its predictions.

Astrology’s Reliance on Vague and Generalized Statements: Astrological predictions often consist of vague and generalized statements that apply broadly.

Astrology’s Lack of Empirical Validation for Its Methods: Astrology lacks empirical validation of its methods, relying instead on tradition.

Failure to Account for Global Cultural Differences: Astrology does not address how cultural differences might affect individuals’ astrological profiles.

Astrological Charts’ Dependence on Birth Time Accuracy: Astrology relies on precise birth times, which may not always be available or accurate.

Failure to Explain How Distant Celestial Bodies Exert Influence: Astrology lacks a plausible explanation for how distant celestial bodies influence human behaviour.

Astrology’s Inability to Predict Scientific Discoveries: Despite claims of cosmic insight, astrology has not predicted scientific discoveries.

Reliance on Astrology’s Historical Popularity as Evidence: The historical popularity of astrology does not validate its scientific credibility.

Ignorance of the Placebo Effect in Astrological Readings: People may perceive astrological readings as accurate due to the placebo effect.

Inability to Predict Technological Advancements: Astrology has not demonstrated the ability to predict technological advancements.

Astrology’s Susceptibility to Cognitive Biases: Astrology can be influenced by cognitive biases, leading to inaccurate readings.

Lack of Experimental Controls in Astrological Research: Astrological research often lacks the experimental controls necessary for valid scientific studies.

Astrology’s Focus on Celestial Bodies’ Symbolism: Astrology attributes meaning and symbolism to celestial bodies without empirical support.

Failure to Predict Economic Trends Consistently: Astrology has not consistently predicted economic trends or stock market behaviour.

Lack of Correlation Between Astrological Signs and Career Success: Astrology does not demonstrate a consistent correlation between astrological signs and career success.

Inability to Predict Individual Health Outcomes: Astrology struggles to predict individual health outcomes or susceptibility to diseases.

Ignorance of the Role of Genetics in Personality Traits: Astrology does not account for the role of genetics in shaping personality traits.

Failure to Explain Conflicting Astrological Predictions: Different astrologers may offer conflicting predictions for the same individual or event.

Inconsistency in Attributing Specific Traits to Celestial Bodies: There is no consistent agreement among astrologers on the specific traits associated with each celestial body.

Astrology, despite its popularity and cultural significance, does not meet the criteria for classification as a science. There are numerous compelling reasons why astrology is not considered a scientific discipline.

First and foremost, science relies on empirical evidence to establish the validity of its theories and hypotheses. Astrology, in contrast, primarily depends on anecdotal evidence and subjective interpretations of celestial phenomena. It lacks the systematic data collection, experimentation, and observation that are fundamental to the scientific method. This absence of empirical support undermines astrology’s scientific credibility.

Scientific experiments should produce consistent and repeatable results under controlled conditions. Astrology, however, falls short in terms of predictability and repeatability. Interpretations of astrological charts can vary widely among practitioners, leading to inconsistent predictions that are contrary to the fundamental principles of science.

Another critical aspect of science is falsifiability, which means that hypotheses must be formulated in a way that allows them to be proven false through empirical testing. Astrology’s propensity for vague, open-ended statements makes it challenging to subject its claims to falsification. It often relies on general, adaptable statements that can apply to a wide range of situations, a characteristic known as the Barnum effect.

Furthermore, astrology lacks a well-established and universally accepted scientific theory explaining the mechanisms by which celestial bodies influence human behaviour. In contrast, genuine scientific disciplines are grounded in well-defined theoretical frameworks.

The inconsistency among different astrological systems and the lack of consensus among astrologers further erode its scientific standing. Various cultures have developed their own astrological systems, each with its own set of rules and interpretations, challenging astrology’s claim to universality.

In conclusion, while astrology has enduring cultural and historical significance, it does not align with the principles and standards that define a scientific discipline. Its reliance on anecdotal evidence, subjectivity, lack of repeatability, and failure to provide a theoretical basis for its claims set it apart from established sciences. While astrology may hold personal or cultural value for some, it remains firmly outside the domain of science in the eyes of the scientific community.

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Manik Roy
I Write

AI Writer | AI Photographer | AI Artist | Editor of I Write