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Indian-origin astronaut Sunita Williams and fellow NASA astronaut Butch Wilmore embarked on an eight-day mission aboard Boeing’s Starliner spacecraft on June 05, 2024. However, due to technical challenges, their stay at the International Space Station (ISS) has been extended to eight months. While Starliner returned to Earth without them last week due to some issues, both astronauts remain on the ISS and are expected to return with Elon Musk’s SpaceX Crew-9 flight in February 2025.

Williams’ Perspective on the Delay

In a video press conference, Sunita Williams shared her thoughts on the unexpected delay, describing the ISS as her “happy place.” She mentioned how life in space has not been a difficult adjustment due to previous experience. Although initially hoped to complete the Starliner mission and return sooner, she remains optimistic about the opportunity ahead.

Challenges with Starliner’s Return

Butch Wilmore noted that, while there were disagreements regarding their return on the Starliner, time constraints and unresolved technical issues led to their continued stay. He believes their current situation is for the best, given the safety concerns surrounding the Starliner.

Voting from Space

Sunita Williams also acknowledged that while her extended stay causes some nervousness, especially considering plans with her family, she remains focused on the mission. Both astronauts expressed their anticipation of casting their ballots for the 2024 US presidential elections from space, with the race being between Kamala Harris and Donald Trump.

Technical Issues with Starliner

The Starliner spacecraft experienced multiple thruster failures and helium leaks during its approach to the ISS, preventing it from achieving sufficient thrust for a safe return to Earth with the astronauts. As a result, NASA and Boeing decided that the Starliner would return empty, leaving Williams and Wilmore to await their return with SpaceX.

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Chandrayaan-4 Mission Gets Approval, Will Return to Earth This Time

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Chandrayaan-4 Mission Gets Approval, Will Return to Earth This Time

Chandrayaan-4 mission has received approval from the Union Cabinet, led by Prime Minister Narendra Modi, on Wednesday. This marks another significant milestone in India’s lunar exploration efforts. Unlike previous missions, Chandrayaan-4 will not only aim for a successful landing on the Moon but will also focus on returning to Earth. This mission will demonstrate critical technologies that will allow for lunar samples to be collected, brought back to Earth, and studied. It represents an essential leap toward India’s long-term goal of landing on the Moon with humans by 2040.

Chandrayaan-4 to Develop Return Technologies

Chandrayaan-4 follows the successful Chandrayaan-3 mission and aims to further advance India’s capabilities in space. The mission will focus on developing technologies essential for docking, undocking, landing, and safe return from the Moon. Collecting lunar samples will also be a key feature, as India moves closer to a full-scale manned mission in the coming decades. The government’s vision includes an Indian Space Station by 2035, followed by human landings on the Moon by 2040.

Mission Details and Industry Involvement

The mission will be completed within 36 months of approval, with ISRO leading the development and launch. It will involve participation from both industry and academia. A budget of ₹2104.06 crore has been allocated for spacecraft development, launch vehicle missions, and deep space support.

This includes costs for special tests and design validation. High employment potential is expected in associated sectors due to this mission.

Aiming for Self-Sufficiency in Space Technologies

Chandrayaan-4 is set to make India self-reliant in crucial space technologies, helping the nation prepare for future manned missions and lunar explorations. The mission will also involve science meets and workshops to include Indian academia and ensure significant contributions to the analysis of lunar samples.

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Ancient Barracks Unearthed With Egyptian Pharaoh Inscribed Sword

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Ancient Barracks Unearthed With Egyptian Pharaoh Inscribed Sword

A recent excavation in Egypt has uncovered a 3,200-year-old military barracks containing a treasure trove of ancient artefacts, including a sword inscribed with the name of Pharaoh Ramesses II. This discovery sheds light on Egypt’s military operations during Ramesses II’s reign, a time when threats from the Libyans were growing. The barracks also contained storerooms for grain, ovens for baking, and pottery filled with animal bones, including fish. Additionally, archaeologists found cow burials at the site, leading experts to suggest these animals were used for food.

Discovery of Bronze Sword and Limestone Blocks

Among the most significant finds was a bronze sword inscribed with Ramesses II’s name, discovered in a small room near what might have been a defensive position. According to Ahmed El Kharadly, an archaeologist with the Egyptian Ministry of Tourism and Antiquities, this suggests the sword was intended for combat and not merely ceremonial use.

The excavation also uncovered two limestone blocks with hieroglyphic inscriptions, one bearing the name of Ramesses II and the other referring to an official named Bay.

Strategic Military Location

The barracks were located along a military road in the northwest Nile Delta, a strategic point where Egyptian forces could defend against potential invasions from the western desert and the Mediterranean. The location of this site aligns with historical accounts indicating rising tensions between Egypt and Libyan groups.

Professor Anthony Spalinger from the University of Auckland noted that the garrison likely played a key role in controlling access to Egypt during this period.

Significance of the Discovery

Peter Brand, a history professor at the University of Memphis, highlighted the importance of the find for understanding the military strategy of Ramesses II. This well-preserved barracks offers rare insights into the logistics of Egypt’s armed forces at the time.

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A Wobble from Mars? It Could Be Dark Matter, Study Reveals

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A Wobble from Mars? It Could Be Dark Matter, Study Reveals

MIT physicists have put forward a theory that the wobble in Mars’ orbit could be caused by primordial black holes, which may constitute dark matter. According to the research, these tiny black holes formed after the Big Bang and could be passing through our solar system, affecting the orbit of planets like Mars. David Kaiser, a professor of physics at MIT, suggests that the technology we have today could detect this slight shift in Mars’ orbit, which would be a significant breakthrough in understanding dark matter.

The Role of Primordial Black Holes

The study published in the journal Physical Review D suggests that dark matter could be made up of these primordial black holes, which are different from those formed from collapsed stars. These microscopic black holes may exert enough gravitational force to impact planetary orbits.

MIT’s team, including David Kaiser and Sarah Geller, used simulations to predict that these black holes pass through the solar system every decade or so. Their calculations show that even a black hole the size of an asteroid could influence Mars’ orbit.

Detecting the Wobble

Mars is an ideal candidate for this study because of its precise telemetry data. Instruments currently track its position with an accuracy of about 10 centimetres. A passing primordial black hole would cause Mars to deviate slightly from its regular orbit. Sarah Geller, a postdoctoral researcher at the University of California, Santa Cruz, told Phys.org that while Earth and the Moon might also be affected, the data for Mars is clearer, making it easier to detect any potential anomalies.

What This Could Mean for Dark Matter Research

If such a wobble is detected, it could confirm the presence of primordial black holes and offer new insights into dark matter. The research highlights the need for precise observations and collaboration with experts in solar system dynamics to explore this phenomenon further.

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