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Andromeda Galaxy: The Milky Way and Andromeda are on a collision course, with an expected merger in about 4 billion years.

Happen Today

Many think it is just a myth. Others think it is true but its cause isn't known. Adventurers pride themselves on having seen it. It's a green flash from the Sun. The truth is the green flash does exist and its cause is well understood. Just as the setting Sun disappears completely from view, a last glimmer appears startlingly green. The effect is typically visible only from locations with a low, distant horizon, and lasts just a few seconds. A green flash is also visible for a rising Sun, but takes better timing to spot. A dramatic green flash was caught in the above photograph in 1992 from Finland. The Sun itself does not turn partly green, the effect is caused by layers of the Earth's atmosphere acting like a prism.

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Summary

Nasa APIs

NASA APIs offer developers access to a wide range of space-related data, including astronomy, satellite imagery, and Mars exploration. These interfaces enable the creation of applications and visualizations, fostering innovation in space science and technology. Registration and the use of API keys are typically required for authentication and access to NASA's valuable data resources.

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Receive via mail the pic of the day from the Nasa center