H-α map of the galaxy
Hydrogen is the most abundant element. It emits a characteristic red light known as H-α. The image shows the logarithm of H-α intensity derived from a composite of night sky surveys. The x-axis and…
Hydrogen is the most abundant element. It emits a characteristic red light known as H-α. The image shows the logarithm of H-α intensity derived from a composite of night sky surveys. The x-axis and…