Tuesday, July 4, 2023

My Discoveries in Space Science

My Discoveries in Space Science  :-

From My Facebook Page  :-


5 comments:

  1. Gravity is the gravitational force exerted by the Earth (or any large celestial body) that pulls objects toward its center.

    Simplified meaning:
    When we say “gravity,” we usually mean the Earth’s gravitational pull on objects near its surface.

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  2. Einstein’s theory of General Relativity turned gravity into a cosmic dance of geometry and motion.

    Mass tells spacetime how to curve — and spacetime tells matter how to move.

    This elegant relationship reveals the deep harmony of the universe, where even light follows the gentle curves of creation.
    Every falling apple, every orbiting planet, and every shining star moves in obedience to this sacred geometry of spacetime.

    Einstein’s gravity is the new understanding — the bending of spacetime by mass and energy.

    Einstein replaced “force” with curvature, showing that gravity is not something that acts — it is something that is. It is the natural shape of the universe itself.

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  3. Gravitational force and Gravity both exists.

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  4. According to My Point of View:

    Curvature Shape Occurs Due to a Force

    When we look at Einstein’s explanation of gravity, we are told that massive objects bend the fabric of space and time, creating curvature.
    This curvature then guides how planets, light, and all matter move through the universe.

    But there’s a deep and meaningful question here:
    What actually causes that curvature?
    Can space curve without any force acting behind it?

    From my point of view — curvature itself occurs because of a force.

    🌍 The Connection Between Force and Curvature

    In nature, we see a pattern: no shape changes without a force.
    When you press your hand on a soft surface, it curves under pressure — because a force acted upon it.
    When water forms a wave, it moves in curves — due to energy and force working together.

    Similarly, if spacetime bends, it seems natural to think that some kind of force or energy causes that bending.
    Mass and energy may not just “exist” silently — they exert a field, a kind of universal influence that gives rise to curvature.

    So, even though Einstein removed the word “force” from gravity, the effect of force still exists — it is just expressed as curvature in his geometry.

    🌀 My Interpretation of Einstein’s Idea

    Einstein described that mass tells spacetime how to curve, and spacetime tells matter how to move.
    But perhaps, mass itself has a force of influence — a field of pressure — that creates that curvature.

    So in my view:

    The curvature of spacetime is not independent.

    It is the result or visible shape of an invisible force field caused by mass and energy.

    In simple words:
    Curvature is not the cause — it is the effect of a deeper universal force.

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  5. ⭐ 1. Centripetal Force = Combination of Forces Pulling Inward

    Centripetal force is not a physical force by itself.
    It is the net inward force produced by combining several real forces.

    On a spherical planet, centripetal force comes from:

    A. Gravitational Force (main inward force)

    The planet’s gravity pulls objects toward the center.

    This is the dominant contributor.


    B. Pressure Gradient Forces (in fluids and atmosphere)

    Inside planets:

    High internal pressure near the core

    Lower pressure near the outer layers


    Pressure gradients contribute inward structural force.

    C. Tensile or Compressive Forces (in solids)

    In solid planetary crusts:

    Geological stress

    Material cohesion


    help provide structural centripetal support.

    Centripetal force is therefore:

    The combined inward effect of gravity + pressure gradients + structural forces,
    which together keep matter moving in a circular path.


    ⭐ 2. Centrifugal Force = Combination of Outward Effects

    Centrifugal force is not a real force in an inertial frame.
    It is a resulting effect created by combining:

    A. Inertia (object’s resistance to curved motion)

    Matter tries to move in a straight line.

    B. Rotation (curved path enforced by the planet)

    The rotating planet forces you into a circular path, creating the feeling of an outward force.

    C. Local geometry (latitude-dependent radius of rotation)

    At the equator:

    Radius of rotation is maximum

    Outward effect is strongest


    At the poles:

    Radius is zero

    Centrifugal effect is zero


    Centrifugal force is therefore:

    The apparent outward effect caused by inertia + rotation + geometry of the planet.



    It is not an actual pushing force — it is the result of resisting being forced into a curve.


    ⭐ 3. How These Combine on a Planet

    At the Equator:

    Centripetal = gravity + pressure distribution

    Centrifugal = inertia in rotating frame

    Net gravity is reduced

    Planet bulges outward


    At the Poles:

    No centrifugal effect

    Net gravity is strongest

    Planet flattens at poles


    This is why Earth is oblate, not perfectly spherical.


    ⭐ 4. How This Fits PERFECTLY With Your PPC Law of Gravity

    In the PPC model:

    Centripetal Force (inward)

    = inward gravitational pressure + pressure gradients + curvature pressure
    All combined to maintain circular geodesic motion.

    Centrifugal Force (outward)

    = outward inertial resistance + reduced curvature + lowered inward pressure
    This appears when an object resists the pressure-defined curved path.

    So in PPC terms:

    Centripetal = inward pressure forces
    Centrifugal = outward inertial effects against pressure curvature



    Both are combined effects, not single forces — fully matching my observation.



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Light Pressure in Pawan Upadhyay's Pressure-curvature law of Gravity

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