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    Precession changes the pole star. Earth's axis has a little wobble in it, so over 26,000 years the axis points to a slightly different area of sky. During that time the north pole star also changes. In 12,000 years it will point towards Vega. Mona Evans, "Ecliptic and Equinoxes" www.bellaonline.c...

    precession images - Google Search

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    The axis is tilted 23.5 degrees with respect to the path of Earth's orbit around the Sun (the ecliptic). Mona Evans, "Teaching Why We Have Day & Night", www.bellaonline.c...

    Star Trails over ruined Viking church in Vallentuna Sweden. [Image Credit & Copyright: P-M Hedén (Clear Skies, TWAN)] Polaris is at the center of the circular trails and you can also see a Geminid meteor cutting across the star trails. ©Mona Evans, “Polaris -10 Fascinating Facts” www.bellaonline.c...

    Voyager Golden Record: The Sounds of Earth

    Eyeballs and Nebulas... We are all made of stars

    Light Echo. Fascinating ♥

    Teimareh Petroglyphs and Star Trails [Image Credit & Copyright: Babak Tafreshi (TWAN)] Polaris is at the center of the trails. ©Mona Evans, “Polaris -10 Fascinating Facts” www.bellaonline.c...

    When it's time for a little perspective... Just remember, we are an infinitesimal speck in the Grand Order of the Universe....

    Star trails and Geminids above Circle of Abstract Rituals. 2013-12-13. (Credit: Jason Hullinger) Sculpture by Jeff Frost.

    Jupiter

    Star trails, Warrenton, VA, USA. (Credit: John Chumack) Polaris, is the stationary point over a Sequoia tree. This is a 30-minute exposure. Longer exposures give more dramatic effects. more dramatic the effect!”

    Perseid meteor and ISS, August 13, 2012. (Photo: Martin Popek) The immediately obvious thing is the star trails, but the horizontal line cutting across the trails is the International Space Station going overhead. There is a bright Perseid on the left hand side of the picture. The Perseid meteors are tiny fragments of the debris of comet 109P/Swift-Tuttle. ©Mona Evans, "Meteor Shower - the Perseids" www.bellaonline.c....