times\text{length}\) \(\text{volume of L-shaped prism}=\text{area of L-shape}\times\text{length}\) This object is a triangular prism so the area of the cross-section is the area of a triangle.

An instrument on Webb called the Near-Infrared Spectrograph collects light from distant objects and then separates them into different wavelengths, or colors, like a prism. These colors ...