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SpaceX’s all-civilian Inspiration4 crew spent their first day in orbit conducting scientific research and talking to children at a pediatric cancer hospital, after blasting off on their pioneering mission from Cape Canaveral the night before.

St Jude tweeted its patients got to speak with the four American space tourists, “asking the questions we all want to know like ‘are there cows on the Moon?'”

Billionaire Jared Isaacman, who chartered the flight, is trying to raise $200 million (roughly Rs. 1,470 crores) for the research facility.

Inspiration4 is the first orbital spaceflight with only private citizens aboard.

Earlier, Elon Musk’s company tweeted that the four were “healthy” and “happy,” had completed their first round of scientific research, and enjoyed a couple of meals.

Musk himself tweeted that he had personally spoken with the crew and “all is well.”

By now, they should have also been able to gaze out from the Dragon ship’s cupola – the largest space window ever built, which has been fitted onto the vessel for the first time in place of its usual docking mechanism.

Most humans in space

The Inspiration4 mission also brings the total number of humans currently in space to 14 – a new record. In 2009, there were 13 people on the International Space Station (ISS).

There are currently seven people aboard the ISS, including two Russian cosmonauts, and three Chinese astronauts on spaceship Shenzhou-12, which is bound home after its crew spent 90 days at the Tiangong space station.

Isaacman, physician assistant Hayley Arceneaux, geoscientist Sian Proctor, and aerospace data engineer Chris Sembroski are whizzing around the planet at an altitude that at times reaches 590 kilometers (367 miles).

That is deeper in space than the ISS, which orbits at 420 kilometres (260 miles), and the furthest any humans have ventured since a 2009 maintenance mission for the Hubble telescope.

Their ship is moving at about 17,500mph (28,000kph) and each day they will experience about 15 sunrises and sunsets.

Their high speed means they are experiencing time slightly slower than people on the surface, because of a phenomenon called “relative velocity time dilation.”

Apart from fundraising for charity, the mission aims to study the biological effects of deep space on the astronauts’ bodies.

“Missions like Inspiration4 help advance spaceflight to enable ultimately anyone to go to orbit & beyond,” added Musk in a tweet.

The space adventure bookends a summer marked by the battle of the billionaires Richard Branson and Jeff Bezos to reach the final frontier.

But these flights only offered a few minutes of weightlessness – rather than the three full days of orbit the Inspiration4 crew will experience, before splashing down off the coast of Florida on Saturday.  


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Shenzhou 18 Astronauts Return to Earth Post Six-Month Space Mission

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Shenzhou 18 Astronauts Return to Earth Post Six-Month Space Mission

After a six-month mission aboard the Tiangong space station, Chinese astronauts Ye Guangfu, Li Cong, and Li Guangsu safely returned to Earth, touching down at the Dongfeng landing site in northern China. Having launched on April 25, the crew concluded their mission on Sunday, November 3, 2024, with the capsule landing at approximately 12:24 p.m. EST (or 12:24 a.m. Beijing time on November 4th). All three astronauts are reported to be in good health following their extended stay in orbit, according to the China Manned Space Agency (CMSA).

Mission Highlights and Scientific Endeavours

As per a recent report by Space, Commander Ye and his crewmates conducted numerous scientific investigations, which included studying ancient microbes and conducting emergency drills during this tenure. The astronauts also completed a record-breaking spacewalk in May and another in June, during which they installed shielding to protect the station from space debris. Commander Ye made history, becoming China’s first astronaut to accumulate over 365 days in space, following his prior involvement in the Shenzhou 13 mission in 2021-2022.

The astronauts captured views of the Jiuquan Satellite Launch Center in the Gobi Desert, from where they launched in April, as well as China’s Wenchang spaceport, located on Hainan Island, where modules of Tiangong were previously launched.

Space Station Expansion Plans and Future Crews

The Shenzhou 18 crew welcomed the arrival of their successors, the Shenzhou 19 team, aboard Tiangong on 30th October, marking a brief period where six astronauts shared the station. The official handover of station command to Shenzhou 19’s Commander Cai Xuzhe took place on 1st November, continuing China’s practice of smooth orbital transitions since Tiangong’s completion in late 2022.
Chinese space officials plan to expand Tiangong with three additional modules, forming a double T-shaped structure. The expansion will support continuous occupancy, and a Hubble-class telescope is also scheduled for launch to the same orbit, where it will dock with the station for maintenance.

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Meet Hang Son Doong: The World’s Largest Cave with Two Jungles and More

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Meet Hang Son Doong: The World’s Largest Cave with Two Jungles and More

The Hang Son Doong cave in Vietnam, located in Quang Binh Province within Phong Nha-Ke Bang National Park currently holds the title as the largest known cave in the world. With dimensions exceeding three miles (5 km) in length and 660 feet (200 m) in height, this natural wonder could house 15 Great Pyramids of Giza within its vast chambers. Its enormous passages are so spacious that a Boeing 747 could hypothetically fly through parts of the cave. The unique “skylights” in the cave’s limestone structure allow sunlight to flood in, nourishing two jungles nestled within the cave, and creating an ecosystem unlike any other on Earth.

A Discovery Decades in the Making

As per a recent report by LiveScience, Hang Son Doong, meaning “Mountain River,” was first discovered by Ho Khanh, a local resident, in 1990. Khanh stumbled upon the cave while hunting, noting the rush of wind and sound of water echoing from inside. However, surrounded by dense foliage, he was unable to relocate it until 2009. That year, Khanh successfully led a team from the British Cave Research Association, including cave expert Howard Limbert, to its entrance. Limbert, technical director at Oxalis Adventure, which now organises tours of Son Doong, described the discovery as monumental, with the team quickly recognising its scale and significance.

A Cave of Record-Breaking Dimensions

Upon detailed exploration, researchers determined that Hang Son Doong has a total volume of around 1.35 billion cubic feet (38.5 million cubic metres). This makes it the largest natural cave ever measured. In 2019, divers found an underwater tunnel connecting Son Doong to Hang Thung, adding another 57 million cubic feet (1.6 million cubic metres) to its volume. Limbert compared the discovery to “finding an additional peak on Mount Everest,” underscoring the cave’s unmatched scale in the subterranean world.

A Natural Masterpiece and Ecosystem

Beyond its size, Son Doong features remarkable geological formations. It houses one of the world’s tallest stalagmites, standing 260 feet (80 m) high, and includes the Great Wall of Vietnam, a calcite barrier that challenged explorers on their initial visits. The cave’s fossil passages offer a glimpse into the area’s ancient marine history, with fossils from sea creatures that once inhabited the region. Inside the Passchendaele Passage, named after a World War I battlefield, explorers encounter muddy terrain that mirrors the historic battlefield’s conditions.

In the heart of the cave, the collapsed ceiling forms skylights that allow light to reach its depths, nurturing thriving jungles and completing the surreal landscape of Son Doong.

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Scientists Are Reportedly Interested in Uncovering the Secrets of UFOs

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Scientists Are Reportedly Interested in Uncovering the Secrets of UFOs

In 2015, U.S. Navy pilots conducting training flights along the East Coast reported encounters with unusual, high-speed objects moving over the water. Descriptions from the pilots reveal that these oval-shaped objects appeared to rotate as they moved, covering vast distances at incredible speeds. Multiple pilots confirmed sighting these objects, which they noted were different from any known aircraft; they had no visible engines, exhaust, or defining propulsion systems.

According to Lt. Ryan Graves, a seasoned F/A-18 Super Hornet pilot with over a decade of experience, these objects were not a one-time sighting but were observed repeatedly over a period of months. The pilots’ observations, recorded on video, showed the objects not only hovering above the ocean’s surface but also appearing at altitudes of up to 30,000 feet, travelling at speeds beyond the capabilities of conventional military aircraft.

A Secret Unveiled to the Public

The public was made aware of these sightings in 2019 which was four years after they took place, when The New York Times published an article including the footage captured by the Navy. This article marked the beginning of a shift in how the U.S. government and the military approached the topic of unidentified aerial phenomena (UAP), as they are now officially termed. Shortly after, in April 2020, the U.S. Navy officially verified the authenticity of these videos, sparking renewed public and scientific interest in the nature and origin of these mysterious sightings.

Roswell and UFO Fever: A Lingering Curiosity

Public curiosity around UFOs is not new. In 1947, the Roswell Incident—where debris from an unidentified object was discovered on a ranch near Roswell, New Mexico—captured the nation’s imagination. Initial reports suggested it was a “flying saucer,” though the Army quickly retracted this, claiming the debris was from a weather balloon. This incident began a national obsession with UFOs, and the lore around Roswell has only grown over the decades. The Roswell Incident, combined with further sightings and theories around “Area 51,” left a lasting cultural impact on the public’s perception of UFOs and government secrecy.

Government Engagement and Investigation

As UAP sightings continued, the U.S. government initiated a more transparent approach to investigations. In 2021, a report was released acknowledging the existence of several unexplained UAP incidents since 2004, while maintaining that there was no evidence to suggest these sightings were of extraterrestrial origin. However, the U.S. government did highlight the need for investigation, given the potential implications for national security.

In response, the Pentagon established the All-domain Anomaly Resolution Office (AARO) in July 2022, tasked with coordinating and leading efforts to gather and analyse information on UAP. While there is no conclusive evidence linking UAP to extraterrestrial life, the objective remains to uncover the origins of these sightings, including the possibility of advanced foreign technology.

Science Takes a Stand

The rising interest in UAP has encouraged scientists to step forward in challenging long-standing stigma. NASA formed a scientific panel in 2022 dedicated to exploring UAP with an evidence-based approach. Harvard astrophysicist Avi Loeb has also made waves in the scientific community by establishing the Galileo Project, which applies observational and analytical technology to gather objective data on UAP.

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