SpaceX Launches Falcon Heavy Rocket Successfully

Technology

SpaceX has successfully launched the Falcon Heavy rocket with 24 research satellites on Tuesday, 25 June. It was the third flight of a Falcon Heavy rocket, but the first ordered by the military.

The Defense Department mission, dubbed STP-2 for Space Test Program, is expected to provide data to certify the Falcon Heavy — and reused boosters — for future national security launches. It marked the military’s first ride on a recycled rocket.

NASA signed up for a spot on the rocket, along with the National Oceanic and Atmospheric Administration, the Air Force Research Laboratory, the Planetary Society and Celestis Inc., which offers memorial flights into space.

SpaceX said the mission was one of its most challenging launches. The satellites needed to be placed in three different orbits, requiring multiple upper-stage engine firings. It was going to take several hours to release them all.

The Deep Space Atomic Clock by NASA’s Jet Propulsion Laboratory is a technology demo aimed at self-flying spacecraft. Barely the size of a toaster oven, the clock is meant to help spacecraft navigate by themselves when far from Earth. NASA also was testing a clean and green alternative to toxic rocket and satellite fuel.

The Falcon Heavy is the most powerful rocket in use today. Each first-stage booster has nine engines, for a total of 27 firing simultaneously at liftoff from NASA’s Kennedy Space Center.

The Planetary Society’s LightSail crowd-funded spacecraft will attempt to become the first orbiting spacecraft to be propelled solely by sunlight. It’s the society’s third crack at solar sailing: The first was lost in a Russian rocket failure in 2005, while the second had a successful test flight in 2015.

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