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Dragon Cargo Ship Returns to Earth – Space Now



SpaceX's Dragon Cargo Pod leaves the International Space Station on Sunday. Photo credits: David Saint-Jacques / NASA / CSA

A commercial cargo ship owned by SpaceX shot down late in the Pacific Ocean west of Baja California late Sunday to end a 39-day mission that was 2.8 tonnes Providing supplies, experiments, and vacation, the International Space Station treats and returned home with research objects and unneeded hardware.

The unpiloted supply ship, loaded with about 2 tons of equipment and experiments, left the space station at 18:33 EST (2333 GMT) Sunday with a ground-based discharge from the 17.7 meter long Canadian robotic arm of the orbiting research lab. The Dragon capsule fired its engines to launch a series of burn-ups near the station, which burned down at 11:19 in the afternoon. EST (0419 GMT), to slow down the speed of the aircraft so that it falls out of orbit and re-enters the Earth's atmosphere.

Soon after stopping the brake fire, the spaceship Dragon dropped off its one-way hull section, which was to be burned in the internal combustion engine atmosphere. The pressurized section of Dragon crashed back to earth under cover of a heat shield and then deployed a series of parachutes to spray in the Pacific Ocean southeast of Guadalupe Island off the west coast of Baja California.

SpaceX confirmed a successful splashdown at 09:12 in a Tweet PST Sunday (12:12 EST, 0512 GMT Monday). The company's 16th Dragon Supply Mission to the International Space Station has been completed since 2012. NASA's SpaceX contract has a value of $ 3.04 billion for 20 space station freight missions from 2012 to next year. Another NASA agreement guarantees SpaceX at least 20 additional replenishment missions to the station for an undisclosed amount.

The Dragon cargo capsule launched from Cape Canaveral Air Force Station in Florida aboard a SpaceX Falcon 9 rocket on December 5, and the Spaceship completed an automated rendezvous with the space station on December 8, claiming £ 5,673. 2,573 kilograms) to supply provisions and experiments.

The cargo shipment included 40 mice that were sent to the space station to study the effects of weightlessness on the animals' immune systems, muscles and bones, information that compares scientists to the condition of a control group of mice living on Earth being held. Twenty of the mice were to travel back to Earth aboard the Dragon capsule on Sunday.

Also aboard the Dragon on board was a scientific study in which protein crystals were to be raised in weightlessness to help researchers understand an antioxidant protein protects the human body from oxidizing radiation. Scientists also sent experiments to investigate the causes of muscle abnormalities observed in space travel and to study the corrosion of carbon steel materials in space.

In addition to the biological experiments inside the Dragon Room, the spaceship's rear loading dock was a pair of NASA payloads that the robotic arm had mounted outside the space station. One will demonstrate new tools and techniques that could lead in the future to filling satellites with cryogenic propellants in space, and another will scan the planet with a laser to measure the height, density, and structure of forest canopies, data that Could tell scientists more about the role of forests in the carbon cycle.

After completing the unpacking of fresh supplies, the astronauts installed refrigerated samples and other equipment into the Dragon spaceship to return to Earth.

Dragon's return was scheduled for Thursday, but officials were pushing back downhill due to inclement weather in the splashing zone in the Pacific. The managers eventually decided to return Dragon to another location in the South Pacific to use the calmer waters and relocate the freighter departure from Sunday morning to Sunday night.

It was the second nighttime detonation of a Dragon spacecraft after returning before dawn in July 2017. However, much of the work to retrieve the capsule on this mission took place during the day, with a nocturnal recovery scheduled from Sunday to Monday was.

SpaceX 'DragonX team will hoist the capsule onto a hub for the return trip to the Port of Los Angeles, where the crew will collect time-critical samples from Dragon and return to science labs across the country for analysis.

The Dragoncaps returning to Earth on Sunday night ended their second journey SpaceX has overtaken the spacecraft for another launch, a practice that the company is now following For five of its replenishment missions to the space station.

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