code: func calcEccentEarthOrbit(julianCentury []float64) (eccentEarthOrbit []float64) {
  	for index := 0; index < len(julianCentury); index++ {
  		temp := 0.016708634 - julianCentury[index]*(0.000042037+0.0000001267*julianCentury[index])
  		eccentEarthOrbit = append(eccentEarthOrbit, temp)
  	}
  	return
  }
docs: // Calculate the Eccent Earth Orbit based on the formula: 0.016708634 - julianCentury * (0.000042037 + 0.0000001267 * julianCentury)
  // julianCentury - Julian century calculated by the calcJulianCentury function
  // Return The Eccent Earth Orbit slice