價格：免費
檔案大小：29.8 MB
版本需求：需要 iOS 5.1.1 或以上版本。與 iPad 相容。
支援語言：英語
Learn about Saturn’s small moon, Enceladus, and discover if it has an atmosphere, whether that atmosphere is over the entire planet, and what creates Saturn’s E-ring. This is part of the Laboratory for Atmospheric and Space Physics' (LASP) Project SPECTRA! suite of activities that uses concepts of light and the electromagnetic spectrum to explore our Solar System. Funded by NASA.
支援平台：iPad