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Watch SpaceX push the Falcon 9 rocket to its limits (updated)
SpaceX launches are seldom boring, but its next mission will be notable precisely for what isn't happening. Elon Musk's outfit is poised to launch the Inmarsat-5 F4 broadband satellite on May 15th at 7:20PM ET, and the payload is both so heavy (13,448lbs) and going into such a high orbit (22,000 miles) that the Falcon 9 rocket won't have enough propellant left to land. That's right -- although SpaceX had hoped to make a habit of reusing rockets, this vehicle won't be returning safely to terra firma. This weight shouldn't be an issue once Falcon Heavy is available, but the larger rocket won't be ready to fly for a while.
