Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Sunlight on the National Mall 螢幕截圖

iPad

iPhone

About Sunlight on the National Mall

View the arc of the sun as it moves throughout the day over the Smithsonian Castle. See how the arc of the sun changes in two separate seasons: Winter and Spring. Look around the National Mall in full 360°. How does the Sun's position in the sky change? Use the Sun Data Sheet to record your observations.