Uranus remains largely unexplored, NASA wants to go deep into Uranus in 2030s

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The solar system’s ice giants continue to rank among the most compelling targets for planetary science. Uranus has attracted renewed attention in recent years, particularly after the 2022 Decadal Survey from the National Academies identified it as the top priority for a flagship mission. Even so, no fully developed mission plan is yet in place for the launch opportunities expected in the 2030s.

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Despite its scientific importance, Uranus has received remarkably little direct exploration. The only spacecraft to visit was Voyager 2, which flew past the planet four decades ago without entering orbit. Neither Uranus nor Neptune has ever hosted an orbiter or sustained mission, making them the only planets in the solar system that have not been examined up close over an extended period.

The limited exploration is not due to a lack of scientific curiosity. Uranus presents several enduring mysteries. The planet rotates on its side, possesses an unusually tilted and offset magnetic field, and is surrounded by a diverse system of moons that may conceal subsurface oceans beneath icy crusts.

In addition, planets similar in size and composition to Uranus are among the most frequently detected exoplanets in our galaxy. A dedicated mission to Uranus would therefore not only clarify the dynamics of our own solar system but also deepen our understanding of distant planetary systems.

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