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  1. Y

    Directing dangerous objects to Sun

    So, it is all not so simple as I thought. Thank you !
  2. Y

    Directing dangerous objects to Sun

    I meant asteroids endangering the Earth against which many sorts of weaponry are discussed (and probably designed and build).
  3. Y

    Directing dangerous objects to Sun

    I have never heard about a plan of cosmic objects endangering Earth to be directed towards the Sun in order to get rid of them. It is unfeasable ? "Sun wind" blowing from the star is stronger than its gravitation ?
  4. Y

    Speed of Earth on its orbit

    I think practically and would prefer to draw the actual angles of the selestial planes and axes. Thus, I just imagined the Earth's axis to be paralllel to the axis of the Earth orbit's plane - there would be no season changes on our planet .. In short, it is all clear, thank you !
  5. Y

    Speed of Earth on its orbit

    Then this is due to the angular speed pattern of the Earth's axis relative to the line between Earth and Sun.
  6. Y

    Speed of Earth on its orbit

    Yes, thank you I have understood already why day in/de-crease slowly at solstices and do so more rapidly at equinoxes - angular speeds at perihelion/ aphelion vs the other parts of the orbit (do not know the right term) are different, not speed of Earth as I imagined.
  7. Y

    Speed of Earth on its orbit

    Thank you. But the difference is so small ? Then I do not understand why the day increase is so different at 23 December and at 23 March, for instance.
  8. Y

    The Earth as pendulum tied not to the Sun

    "Gyroscopic stability" - due to "conservation of momentum", or vice versa, clear. (I would have difficulty finding these precisely descriptive terms however, I thought, there may be some more to it).
  9. Y

    Speed of Earth on its orbit

    While the mean speed of the Earth on its solar orbit is about 30km/sec, what is its approximate speed during the both equinoxes and the both solstices ?
  10. Y

    The Earth as pendulum tied not to the Sun

    Yes, clear, not "pendulum"... But indeed, as asked on "Answers.com" : "What keeps our Earth's axis stable?"
  11. Y

    The Earth as pendulum tied not to the Sun

    Or "suspended", otherwise, from a point the south pole is oriented to - the distance to the possible suspension point is so great ! In which directions are oriented (now) the axes of other solar objects, including the Sun ? Other (elliptical) "pendulums" ?
  12. Y

    The Earth as pendulum tied not to the Sun

    The thought came to my mind yesturday : does not Earth in its movement looks like pendulum tied to the Polaris ? Only the very long one - comparable to an object swinging about 1 cm circle at a tie of about 15 000 km (if my quick calculations now are correct).
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