Question

Sky is the limit fullform of sky​

Answer 1

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the There is no limit

There is no limit (to ambition, aspirations, expense, or the like). For example, Order anything you like on the menu—the sky's the limit tonight, or He's so brilliant he can do anything—the sky's the limit. This metaphoric idiom was first recorded in 1920.

Answer 2

The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for U.S. space exploration, space technology, Earth and space science, and aeronautics research. NASA inspires the world by exploring new frontiers, discovering new knowledge, and developing new technology.