Portrait and Landscape Orientation

I have an image in my SwiftUI code which doesn't stretch in the landscape orientation. The code is listed here:

                GeometryReader { geo in                     Image("RubyChard")                         .resizable()                         .aspectRatio(contentMode: .fit)                         .frame(width: geo.size.width)                 }

The image in the portrait and landscape orientation. The .png file size is 730x638 pixels. I have exhausted my efforts to get the image to stretch in landscape orientation. I need help!

Thanks in advance for your help Lloyd