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NASA’s Orion capsule made a blisteringly fast return from the Moon Sunday, parachuting into the Pacific off Mexico to conclude a test flight that should clear the way for astronauts on the next lunar flyby.

The incoming capsule hit the atmosphere at Mach 32, or 32 times the speed of sound, and endured reentry temperatures of 5,000 degrees Fahrenheit (2,760 degrees Celsius) before splashing down west of Baja California near Guadalupe Island. A Navy ship quickly moved in to recover the spacecraft and its silent occupants — three test dummies rigged with vibration sensors and radiation monitors.

NASA hailed the descent and splashdown as close to perfect, as congratulations poured in from Washington..

“I’m overwhelmed,” NASA Administrator Bill Nelson said from Mission Control in Houston. “This is an extraordinary day… It’s historic because we are now going back into space — deep space — with a new generation.”

The space agency needed a successful splashdown to stay on track for the next Orion flight around the Moon, targeted for 2024 with four astronauts who will be revealed early next year. That would be followed by a two-person lunar landing as early as 2025 and, ultimately, a sustainable Moon base. The long-term plan would be to launch a Mars expedition by the late 2030s.

Astronauts last landed on the Moon 50 years ago. After touching down on December 11, 1972, Apollo 17′s Eugene Cernan and Harrison Schmitt spent three days exploring the valley of Taurus-Littrow, the longest stay of the Apollo era. They were the last of the 12 Moonwalkers.

Orion was the first capsule to visit the Moon since then, launching on NASA’s new mega Moon rocket from Kennedy Space Center on November 16. It was the first flight of NASA’s new Artemis Moon program, named after Apollo’s mythological twin sister.

“From Tranquility Base to Taurus-Littrow to the tranquil waters of the Pacific, the latest chapter of NASA’s journey to the Moon comes to a close. Orion back on Earth,” announced Mission Control commentator Rob Navias.

While no one was on the $4 billion test flight, NASA managers were thrilled to pull off the dress rehearsal, especially after so many years of flight delays and busted budgets. Fuel leaks and hurricanes conspired for additional postponements in late summer and fall.

In an Apollo throwback, NASA held a splashdown party at Houston’s Johnson Space Center on Sunday, with employees and their families gathering to watch the broadcast of Orion’s homecoming. Next door, the visitor center threw a bash for the public.

Getting Orion back intact after the 25-day flight was NASA’s top objective. With a return speed of 25,000 mph (40,000 kph) — considerably faster than coming in from low-Earth orbit — the capsule used a new, advanced heat shield never tested before in spaceflight. To reduce the gravity or G loads, it dipped into the atmosphere and briefly skipped out, also helping to pinpoint the splashdown area.

All that unfolded in spectacular fashion, officials noted, allowing for Orion’s safe return.

“I don’t think any one of us could have imagined a mission this successful,” said mission manager Mike Sarafin.

Further inspections will be conducted once Orion is back at Kennedy by month’s end. If the capsule checks find nothing amiss, NASA will announce the first lunar crew amid considerable hoopla in early 2023, picking from among the 42 active U.S. astronauts stationed at Houston’s Johnson Space Center.

“People are anxious, we know that,” Vanessa Wyche, Johnson’s director, told reporters. Added Nelson: “The American people, just like (with) the original seven astronauts in the Mercury days, are going to want to know about these astronauts.”

The capsule splashed down more than 300 miles (482 kilometers) south of the original target zone. Forecasts calling for choppy seas and high wind off the Southern California coast prompted NASA to switch the location.

Orion logged 1.4 million miles (2.25 million kilometers) as it zoomed to the Moon and then entered a wide, swooping orbit for nearly a week before heading home.

It came within 80 miles (130 kilometers) of the Moon twice. At its farthest, the capsule was more than 268,000 miles (430,000 kilometers) from Earth.

Orion beamed back stunning photos of not only the gray, pitted Moon, but also the home planet. As a parting shot, the capsule revealed a crescent Earth — Earthrise — that left the mission team speechless.

Nottingham Trent University astronomer Daniel Brown said the flight’s many accomplishments illustrate NASA’s capability to put astronauts on the next Artemis Moonshot.

“This was the nail-biting end of an amazing and important journey for NASA’s Orion spacecraft,” Brown said in a statement from England.

The Moon has never been hotter. Just hours earlier Sunday, a spacecraft rocketed toward the Moon from Cape Canaveral. The lunar lander belongs to ispace, a Tokyo company intent on developing an economy up there. Two U.S. companies, meanwhile, have lunar landers launching early next year.


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SpaceX Launches NROL-153 Mission, Deploying Next-Gen Spy Satellites

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SpaceX Launches NROL-153 Mission, Deploying Next-Gen Spy Satellites

Another significant mission was undertaken by SpaceX on January 9, with the deployment of a new set of spy satellites for the United States government. A Falcon 9 rocket carried the NROL-153 mission from Vandenberg Space Force Base in California, lifting off at 10:53 p.m. EST. This launch marked the seventh instalment of the National Reconnaissance Office’s (NRO) advanced satellite programme, showcasing a strategic focus on bolstering surveillance capabilities.

Launch Details and Objectives

As reported by Space.com, the NROL-153 mission contributes to the “proliferated architecture” initiative. This approach involves deploying numerous smaller satellites designed to enhance capability and resilience in reconnaissance operations. These satellites are believed to include modified versions of SpaceX’s Starlink models, potentially equipped with advanced reconnaissance technology.
The Falcon 9 rocket’s first stage executed a successful landing on the drone ship Of Course I Still Love You in the Pacific Ocean approximately eight minutes post-liftoff. As per the mission description provided by SpaceX, this marked the 22nd use of the specific booster involved in the launch.

Secrecy Surrounding Satellite Deployment

Details regarding the satellites’ operational orbit or deployment schedule were not disclosed, aligning with the NRO’s standard policy of withholding information about its classified assets. Reports indicate that the earlier six launches under this programme, conducted between May and December 2024, were also carried out by Falcon 9 rockets from the same base.

Broader Implications of the Mission

The mission is a testament to SpaceX’s role in supporting national security initiatives through its reliable and reusable rocket systems. The use of smaller, proliferated satellites signifies a shift toward adaptable and resilient surveillance strategies. The successful execution of this launch further strengthens the partnership between SpaceX and U.S. defence agencies in addressing evolving global challenges.

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16th-Century Royal Burial Treasures Found in Lithuania’s Vilnius Cathedral

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16th-Century Royal Burial Treasures Found in Lithuania’s Vilnius Cathedral

A remarkable discovery has been made in Lithuania’s Vilnius Cathedral, where 16th-century royal burial regalia were recovered after being concealed for nearly a century. The artefacts, including crowns, rings, chains, a sceptre, and coffin plaques, had been hidden in a crypt at the start of World War II. These treasures, once belonging to significant figures from the Grand Duchy of Lithuania and the Kingdom of Poland, provide insight into the era’s historical and cultural importance.

Discovery Details and Historical Context

According to a press release from the Vilnius Archdiocese, as reported by Live Science, the regalia were discovered on December 16, 2024, by a team of experts using an endoscopic camera to examine the cathedral’s underground chambers. The items, originally unearthed during restoration work in 1931 after a flood exposed royal sarcophagi, were hidden in 1939 for safekeeping. They include burial ornaments tied to Alexander Jagiellon, Grand Duke of Lithuania and King of Poland, along with two queens, Elisabeth of Austria and Barbara Radziwiłł.

These families played a crucial role during the Polish Renaissance. Mykolas Sotincenka, communications coordinator for the Vilnius Archdiocese, noted that these artefacts are significant due to the scarcity of authentic items from this period in Lithuania’s history.

Significance of the Regalia

Archbishop Gintaras Grušas described the regalia as “priceless historical treasures” and “exemplary works of goldsmithing and jewellery craftsmanship.” A newspaper from September 1939 was found wrapped around the artefacts, confirming their concealment during wartime. Rita Pauliukevičiūtė, director of the Vilnius Church Heritage Museum, highlighted that these symbols underscore the historical strength of Lithuania’s roots. Documentation and restoration efforts are underway, and the regalia are expected to be displayed to the public later this year.

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AI transforms auroral research, helping predict geomagnetic storms

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AI transforms auroral research, helping predict geomagnetic storms

A breakthrough in auroral research has been made through artificial intelligence, aiding scientists in the classification and study of northern lights. Over 700 million images of auroral phenomena have been sorted and labelled, paving the way for better forecasting of geomagnetic storms that can disrupt critical communication and security systems on Earth. The categorisation stems from NASA’s THEMIS dataset, which records images of auroras every three seconds, captured from 23 monitoring stations across North America. The advancement is expected to significantly enhance the understanding of solar wind interactions with Earth’s magnetosphere.

Dataset Categorisation and Techniques

According to reports in phys.org, researchers at the University of New Hampshire developed an innovative machine-learning algorithm that analysed THEMIS data collected between 2008 and 2022. The images were classified into six distinct categories: arc, diffuse, discrete, cloudy, moon, and clear/no aurora. The objective was to improve access to meaningful insights within the extensive historical dataset, allowing scientists to filter and analyse data efficiently.

Jeremiah Johnson, associate professor of applied engineering and sciences, stated to phys.org that the vast dataset holds crucial information about Earth’s protective magnetosphere. Its prior scale made it challenging for researchers to effectively harness its potential. This development offers a solution, enabling faster and more comprehensive studies of auroral behaviour.

Impact on Future Research

It has been suggested that the categorised database will serve as a foundational resource for ongoing and future research on auroral dynamics. With over a decade of data now organised, researchers have access to a statistically significant sample size for investigations into space-weather events and their effects on Earth’s systems.

Collaborators from the University of Alaska-Fairbanks and NASA’s Goddard Space Flight Center also contributed to this project. The use of AI in this context highlights the growing role of technology in addressing challenges posed by vast datasets in the field of space science.

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