Image linked to NAAP applet;
               Applet description:  Rotating Sky Explorer

    Figure: NAAP applet: Rotating Sky Explorer

    Caption: The rotating sky illustrated by NAAP Applet: Rotating Sky Explorer.

    Further explication:

    1. Just push all the buttons and see what they do to gain insight.

    2. Left click to rotate the celestial coordinate systems and the attached physical body.

    3. On the left, we have the equatorial coordinate system attached to the Earth.

    4. On the right, we have the horizontal coordinate system attached the ground (i.e., a small region on Earth).

    5. For Las Vegas, Nevada, the geographical coordinates are latitude 36° 10'30" N (rounded to 36° N), longitude 115° 08'11" W (rounded to 115° W).

    6. The applet buttons are largely self-explanatory.

    7. We suggest you push all the buttons

    8. The terms in the applet need some explanation. As you feel the need, click on any of the keywords in Celestial sphere keywords below (local link / general link: celestial_sphere_keywords.html):


    Credit and/or file tracking information follows to the divider line:

    Image Credit/Permission:
    © Astronomy Education at the University of Nebraska-Lincoln / Nebraska Astronomy Applet Project (NAAP), before or circa 2014 / Non-profit education use permitted.
    Applet link: NAAP Applet: Rotating Sky Explorer. Placeholder image: alien_click_to_see_image.html.
    Local file: local link: naap_rotating_sky_explorer.html.
    File: Applet file: naap_rotating_sky_explorer.html.