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Watch SpaceX Falcon 9 Rocket Almost Stick Droneship Landing, then Tip and Explode; Video

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SpaceX Falcon 9 first stage tips over and explodes on Pacific ocean droneship after landing leg fails to lock in place on Jan 17, 2016. Credit: SpaceX See landing video belowSpaceX came much closer to sticking the landing of their Falcon 9 rocket on a tiny droneship at sea than initially thought, as evidenced by a dramatic video of the latest attempt to recover the booster by making a soft ocean touchdown on Sunday, Jan. 17, after successfully propelling a US-European ocean surveillance satellite to low Earth orbit. As seen in a vivid new birds eye video view of the landings final moments released by Space CEO and billionaire founder Elon Musk, the first stage booster indeed descended slowly towards the small barge in the Pacific Ocean right on target for pinpoint soft landing.The rocket landed just 1.3 meters (4 feet) off center of the bullseye on the oceangoing barge.Unfortunately it then tipped over due to a malfunctioning landing leg that failed to lock in place, possibly due to ice buildup, hit the droneship deck and quickly exploded into a raging fireball.Musk published the spectacular landing footage on Instagram – see below – showing the rocket propelled descent, droneship landing, tipover and ultimate fiery destruction of the Falcon 9 first stage after returning from a payload delivery to the edge of space, some 10 minutes earlier.https://scontent-iad3-1.cdninstagram.com/hphotos-xpt1/t50.2886-16/12560150_1553924228264185_2124769001_n.mp4“Falcon lands on droneship, but the lockout collet doesn’t latch on one the four legs, causing it to tip over post landing,” Musk wrote in a description.The 156 foot tall Falcon 9 first stage is equipped with four landing legs and four grid fins to enable the propulsive landing atop the barge once the first stage separates and relights a Merlin 1D engine.“Root cause may have been ice buildup due to condensation from heavy fog at liftoff.”Falcon 9 successfully launched the NASA/NOAA/European Jason-3 sea level rise reconnaissance satellite on Sunday morning, Jan. 17 at 10:42:18 a.m. PST (1:42:18 EST) from Space Launch Complex 4 (SLC 4) on Vandenberg Air Force Base (VAFB) in California, which was the primary goal of the mission.SpaceX’s own secondary goal was to recover the first stage intact to demonstrate rocket reusability.This was SpaceX’s third try at a barge landing following two endeavors in 2015. And SpaceX did just accomplish a historic first ever ground soft landing and intact first stage rocket recovery following the ‘Return-to-Flight’ Falcon 9 launch on Dec. 21, 2015 from Cape Canaveral.Two prior SpaceX attempts at a precision landing on the autonomous spaceport drone ship (ASDS) barge came very close with pinpoint approaches to the oceangoing vessel in the Atlantic Ocean. But the rocket tipped somewhat sideways in the final moments and was destroyed in a hard landing.Musk’s space vision is to radically slash the costs of launching people and payloads to space by recovering and reflying rockets – built individually at great expense – rather than completely discarding them after a single use.So after separating from the second stage, the first stage Merlin 1D engine was reignited for propulsive maneuvers guiding the booster back to the football field sized droneship, located nearly two hundred miles off the California coast.The booster successfully soft landed almost dead center on the ASDS named “ Just Read The Instructions” – which put out to sea the day before launch.Although SpaceX initially thought the booster made a hard landing, further data review revealed that the rocket in fact made a successful soft landing.“After further data review, stage landed softly but leg 3 didn’t lockout,” SpaceX noted on Twitter. “Was within 1.3 meters of droneship center.SpaceX plans many future attempts at rocket recovery at sea and on land and Musk is “very optimistic” on the chances, despite the last second tipover and explosion!“Well, at least the pieces were bigger this time! Won’t be last RUD [rapid unplanned destruction], but am optimistic about upcoming ship landing,” tweeted Musk.Stay tuned here for Ken’s continuing Earth and planetary science and human spaceflight news.Ken Kremerhttps://youtu.be/jshk8ZVIgdI

The post Watch SpaceX Falcon 9 Rocket Almost Stick Droneship Landing, then Tip and Explode; Video appeared first on Universe Today.


Source: http://www.universetoday.com/126854/watch-spacex-falcon-9-rocket-almost-stick-droneship-landing-tip-explode-video/



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