Milky seas comparison (IMAGE) Colorado State University Caption A comparison of photos taken by older satellite instruments (left) with imagery from the new Day-Night Band (DNB) instrument (right). Credit CSU/CIRA and NOAA/NESDIS Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.