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The Cassini spacecraft that has orbited Saturn for the last 13 years would weigh 4,685 pounds on Earth and, at 22 feet high, is somewhat longer and wider than a small moving van tipped on its rear. Bristling with cameras, antennas and other sensors, it is one of the most complex and sophisticated spy robots ever set loose in interplanetary space.

On Friday morning, the whole world will hear it die.

Now that Cassini has gone out in a blaze of glory, you’re probably wondering what cosmic missions you can get excited about next. Though NASA is reviewing proposals that may include a return to Saturn to seek signs of life on ocean worlds like its moons Enceladus and Titan, other endeavors into deep space are already on the calendar. Here are a variety of space missions worth keeping tabs on over the next decade or so.