Question

1 Explain how we use a spectrometer to help us determine what stars and planets are made of?

Answer 1

02.09 Light: Fingerprint of Stars White Light White light is light that contains every color of the rainbow. Notice that every color is in white light’s emission spectrum. Hydrogen Hydrogen’s spectrum has some different shades of violet, some shades of blue and a red. Hydrogen is the most abundant element in the universe. Sodium Sodium’s spectrum contains two shades of yellow. Helium Helium is another very abundant element in the universe. Helium’s spectrum contains some different shades of blues, a yellow and a red. Neon Neon is the atom that is contained in a neon light. Can you see why a neon light looks orange? Mercury Mercury’s spectrum contains purple, blue, green and two shades of yellow.