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Objects with large proper motion tend to be closer than objects with small proper motion. /\

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Q: What fundamental principle did Shapely use to calibrate the period-luminosity relationship for Cepheid variable stars?
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What is the definition of principle?

A principle is a basic rule, tenet, or belief.(A principal is a chief administrator of a school.)principle: "a fundamental truth or proposition that serves as a foundation for a system of belief or a chain of reasoning;" "a fundamental source or basis of something."


Why is Heisenberg's uncertainty principle not more apparent in our daily life?

Heisenberg's uncertainty principle relates the fundamental uncertainty in the values of certain pairs of properties of a particle (e.g. momentum and position, energy and time) to a fundamental constant of nature known as Planck's Constant. Since Planck's constant is extremely small (~6.62


What is a principle in stratigraphy?

In stratigraphy, a principle refers to a fundamental concept or guiding rule that helps identify and interpret the rock layers or strata within the Earth's crust. These principles are based on observations and empirical evidence. They include principles such as the law of superposition, which states that in undisturbed rock layers, the youngest rocks are on top and the oldest rocks are at the bottom. Other principles include the principle of original horizontality, principle of lateral continuity, and principle of cross-cutting relationships.


What technology proves whose patent paper published that Heisenberg Uncertainty principle in Physics is wrong?

The Heisenberg Uncertainty principle is part of the foundations of Quantum Mechanics and is still considered to be valid today. It means there is a fundamental fuzziness or uncertainty about the world at the quantum level. Even in principle we cannot know to high accuracy say both the position and the momentum of a small particle like the electron.


What is the principle of absorption curves?

What is the principle of absorption