Lab 7: Light & Spectra 10. Below is a spectrum of the star Vega, where lighter gray means wavelengths with more light, and darker gray/black denotes wavelengths with less light. 400 nm 500 nm 600 nm 700 nm What element is producing the prominent absorption lines in Vega's spectrum (marked with white arrows above)? Describe how you determined this. Make sure you explain your reasoning and identify specific lines. (3 pts)