The yellow box in the upper image shows the position of the current zoomed view within the main image.
Navigate around the image using the navigation buttons or by simply clicking somewhere in the upper image to move the viewport there or by simply dragging the yellow box
You can also scroll the main image by holding down the left mouse button and dragging with the mouse
(You may also double-click to zoom in or shift double-click to zoom out in either the upper image or main image)
Navigate around the image using the navigation buttons or by simply clicking somewhere in the upper image to move the viewport there or by simply dragging the yellow box
You can also scroll the main image by holding down the left mouse button and dragging with the mouse
(You may also double-click to zoom in or shift double-click to zoom out in either the upper image or main image)
Image copyright © NASA/Earth Observatory 2004