def METHOD_NAME(self):
    # rotatePlanets creates intervals to actually use the hierarchy we created
    # to turn the sun, planets, and moon to give a rough representation of the
    # solar system. The next lesson will go into more depth on intervals.
    self.day_period_sun = self.sun.hprInterval(20, (360, 0, 0))
    self.orbit_period_mercury = self.orbit_root_mercury.hprInterval(
        (0.241 * self.yearscale), (360, 0, 0))
    self.day_period_mercury = self.mercury.hprInterval(
        (59 * self.dayscale), (360, 0, 0))
    self.orbit_period_venus = self.orbit_root_venus.hprInterval(
        (0.615 * self.yearscale), (360, 0, 0))
    self.day_period_venus = self.venus.hprInterval(
        (243 * self.dayscale), (360, 0, 0))
    self.orbit_period_earth = self.orbit_root_earth.hprInterval(
        self.yearscale, (360, 0, 0))
    self.day_period_earth = self.earth.hprInterval(
        self.dayscale, (360, 0, 0))
    self.orbit_period_moon = self.orbit_root_moon.hprInterval(
        (.0749 * self.yearscale), (360, 0, 0))
    self.day_period_moon = self.moon.hprInterval(
        (.0749 * self.yearscale), (360, 0, 0))
    self.orbit_period_mars = self.orbit_root_mars.hprInterval(
        (1.881 * self.yearscale), (360, 0, 0))
    self.day_period_mars = self.mars.hprInterval(
        (1.03 * self.dayscale), (360, 0, 0))
    self.day_period_sun.loop()
    self.orbit_period_mercury.loop()
    self.day_period_mercury.loop()
    self.orbit_period_venus.loop()
    self.day_period_venus.loop()
    self.orbit_period_earth.loop()
    self.day_period_earth.loop()
    self.orbit_period_moon.loop()
    self.day_period_moon.loop()
    self.orbit_period_mars.loop()
    self.day_period_mars.loop()