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NASA

Touching the Sun

The Sun, the fiery heart of our solar system, has fascinated humanity for centuries. Despite the progress of modern science, many of its secrets remain locked away, particularly the mysteries of its outer atmosphere, the corona.

4 of Uranus’ large moons may hold water: NASA

NASA scientists have found that four of Uranus' largest moons likely contain an ocean layer between their cores and icy crusts, which suggests that these hold oceans that could be dozens of miles deep.