By Jonathan Amos
BBC Science Correspondent
The American abstraction bureau Nasa has brought location its next-generation astronaut vessel aft a near-26-day ngo to orbit the Moon.
The Orion capsule splashed down successful the Pacific Ocean aft a fiery re-entry into Earth's ambiance and a descent that was further slowed by parachutes.
Because this was a test, determination were nary radical aboard this time, but that volition alteration for the adjacent flight.
Nasa is readying ever much analyzable missions with Orion.
These volition apt commencement successful precocious 2024 and include, successful 2025 oregon 2026, an effort to enactment humans backmost connected the lunar surface.
This was past achieved precisely 50 years agone to the time by the unit of Apollo 17. The agency's caller task is called Artemis, who successful Greek mythology was the sister of Apollo.
Nasa had described the Sunday instrumentality of Orion to Earth arsenic its "priority one" objective.
Vehicles coming backmost from lunar distances bash truthful astatine precise precocious velocity - immoderate 40,000km/h (25,000mph) astatine archetypal interaction with the atmosphere.
A robust heatshield is required to forestall the vessel from tearing itself isolated arsenic it pushes up against the aerial and temperatures scope adjacent to 3,000C.
The protective furniture connected the underside of Orion is simply a caller plan from erstwhile craft, and Nasa had to beryllium definite it was effectual earlier risking the lives of astronauts connected aboriginal missions.
The spectacular show of the capsule's 11 parachutes deploying and inflating successful series was wide denotation that the heatshield had done its job.
But engineers won't walk judgement until they've inspected it.
After the capsule's driblet into the ocean, not acold from Mexico's Guadalupe Island, betterment teams moved successful to stitchery imagery that tin beryllium fed into the post-flight analysis.
Apollo 17 - The past time
Humans past landed connected the Moon connected 11 December, 1972, astatine 19:54 GMT. The Apollo 17 unit of Gene Cernan and Harrison Schmitt spent conscionable implicit 3 days connected the aboveground earlier coming home. This image, remastered by representation processor Andy Saunders, shows the footwear prints they near behind. In the lack of the erosion that occurs connected Earth, these markings would look precisely the aforesaid today, fractional a period on.
Watching the re-entry was Nasa's spouse connected the ngo - the European Space Agency.
Esa provided the work and propulsion module that had expertly pushed Orion towards, around, and backmost from the Moon.
It didn't splash down with the capsule. It was detached astir 20 minutes anterior to re-entry and was destroyed arsenic it fell towards Earth implicit the South Pacific.
Europe volition proceed to proviso further work modules for aboriginal Orion missions arsenic a means of securing seats for its ain astronauts alongside their American colleagues.
The propulsion exemplary for the adjacent Artemis ngo - the archetypal to transportation a unit - has already been delivered to Nasa. A 3rd conveyance - the 1 that volition beryllium utilized connected Artemis III, the lunar landing mission, is successful an precocious signifier of assembly successful Germany.
Much inactive has to spell close if the timelines are to beryllium maintained for a quality instrumentality to the Moon. Nasa doesn't yet person a landing system. This is being developed by the US entrepreneur Elon Musk.
He is gathering a mammoth rocket and unit conveyance helium calls Starship. This is owed to person its maiden formation supra the Earth successful the coming months.
The thought for Artemis III is that Orion would conscionable up with Starship astatine the Moon, with Mr Musk's conveyance taking the astronauts down to the surface.
As Orion returned to Earth from the Moon connected Sunday, 2 spacecraft were headed successful the other direction.
Japanese institution iSpace despatched its Hakuto-R robotic lander. This is taking a dilatory way to the Moon lasting respective months. If it tin enactment down safely, it volition deploy a tiny rover from the United Arab Emirates, called Rashid, and a likewise tiny deformable robot from the Japanese abstraction bureau to analyse the properties of lunar soil.
Nasa besides had a payload connected the aforesaid motorboat rocket. Called Lunar Flashlight, this briefcase-size spacecraft volition ellipse the Moon, utilizing infrared lasers to hunt for deposits of water-ice.