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The deployment of reflective mirrors on satellites and the launch of thousands more satellites into low Earth orbit could have significant consequences for human health and ecosystems. Leading sleep and circadian rhythm researchers have raised concerns about the potential disruption to natural night-time light environments.The US Federal Communications Commission (FCC) is considering plans by Reflect Orbital to illuminate parts of the Earth at night using reflective satellites, as well as applications from SpaceX that could dramatically expand satellite numbers in low Earth orbit.2,500 researchers from over 30 countries have expressed concerns that altering the light-dark cycle could disrupt biological clocks that regulate sleep and hormone secretion in humans and animals, migration in nocturnal species, seasonal cycles in plants, and the rhythms of marine phytoplankton.Prof Charalambos Kyriacou, president of the European Biological Rhythms Society (EBRS), emphasized that "plants need the night" and that eliminating it could have global implications for food security.Reflect Orbital aims to use satellites equipped with large reflective mirrors to redirect sunlight onto areas roughly 5km to 6km wide "on demand", with brightness adjustable "from full moon to full noon".Meanwhile, SpaceX has proposed launching up to 1m satellites to create a giant solar-powered computing network in orbit designed to run artificial-intelligence workloads.Ruskin Hartley, chief executive of DarkSky International, noted that scientific studies have already shown that the existing number of satellites in orbit has increased diffuse night sky brightness by roughly 10%.Experts warn that if current trends in satellite launches and debris generation continue, night sky brightness could increase substantially over the coming decade, approaching the threshold astronomers have set for preserving naturally dark skies.

The increasing congestion of Earth's orbit with satellites is raising concerns about the environmental impact of space activities. A recent UN report highlighted the urgent need for sustainable practices to manage potential orbital congestion and environmental impacts.One of the most pressing issues is the risk of space debris, also known as 'space junk', which includes discarded rocket stages and defunct satellites. The surge in orbital activity has created a significant collision risk, and there have already been a handful of crashes. In 2007, a Chinese anti-satellite weapon test intentionally blew up a weather satellite, creating a dangerous cloud of space debris.Researchers fear that the impact of space activities on the ozone layer, which shields the planet from radiation, could be significant. A study found that roughly 10% of particles in the stratosphere contain metals that originated from space activities such as rocket launches.The Guardian has launched an interactive project to visualize the tens of thousands of human-made objects spinning around the globe. The project reveals a significant problem which, if left unchecked, could disrupt some of humanity's most important services such as the internet and weather prediction.As a global society, we rely on satellites constantly, not only to help us navigate around using Google Maps, but also to provide internet access and, critically, predict the weather. Space-based monitoring of the Earth also allows researchers to track deforestation, desertification, glacier and ice-cap melt, and the spread of oil spills.

The countdown at Kennedy Space Center is in its final stages for the Artemis II launch, the first crewed lunar mission since 1972. NASA Associate Administrator Amit Kshatriya confirmed after a Monday management meeting that the mission is cleared for a Wednesday liftoff. Launch window: A two‑hour window opens at 6:24 pm (22:24 GMT) on Wednesday, with daily two‑hour windows remaining available until April 6. The launch can proceed only when the moon’s position, orbital trajectories, weather, and Earth’s rotation align safely. Weather outlook: Forecasts show an 80 % chance of favorable conditions, though cloud cover and high winds remain the primary concerns. The mission has already endured two major setbacks. In early February a liquid‑hydrogen leak forced a scrub, and in early March a helium‑flow issue in the upper stage halted a second attempt. NASA will stream the launch live on YouTube, where viewers can follow the vehicle from rollout to liftoff. Artemis programme overview: Artemis is NASA’s multidecade effort to return humans to the Moon, establish a sustainable presence near the lunar south pole, and eventually enable crewed missions to Mars. The program comprises five missions (Artemis I‑V). Artemis I, an uncrewed test in 2022, validated the Space Launch System (SLS) and Orion spacecraft, providing critical data for the current flight. Mission profile: Artemis II will not land; instead, its four‑person crew will perform a lunar flyby, looping around the far side before returning to Earth. The flight will test Orion’s life‑support, navigation, communications, and overall performance in deep space—conditions that cannot be fully replicated on the ground. Crew members: Reid Wiseman (Commander, 50) – veteran NASA astronaut and former ISS commander. Victor Glover (Pilot, 49) – U.S. Navy aviator, first Black astronaut assigned to a lunar mission, previously flew on SpaceX Crew‑1. Christina Koch (Mission Specialist, 47) – holds the record for the longest single spaceflight by a woman (328 days) and has extensive EVA experience. Jeremy Hansen (Mission Specialist, 50) – Canada’s first astronaut slated for a lunar mission, highlighting international collaboration. During the ten‑day journey the crew will evaluate spacecraft systems, conduct radiation and fire‑response drills, perform a suit‑pressurisation test, and carry out medical and scientific experiments while observing the lunar surface. Strategic importance: Artemis II is a stepping stone toward Artemis III (planned for 2027), which will test integrated operations with commercial landers, followed by Artemis IV (early 2028) – the first crewed lunar landing since Apollo 17 – and Artemis V (late 2028) aimed at establishing a lunar base. The program also reinforces U.S. leadership in space amid rising competition, notably from China.

According to reports from Bloomberg and the Wall Street Journal, SpaceX has quietly lodged a confidential registration statement with the U.S. Securities and Exchange Commission, signaling its intention to go public. The filing could set a valuation ceiling of $1.75 trillion, positioning the offering among the most valuable ever attempted. Regulators will now review the disclosed financials before the prospectus becomes public. Analysts anticipate that the IPO could be priced as early as June 2026, a timing that aligns with what industry observers describe as a “banner year” for mega‑cap listings. The move also coincides with rival AI firms—OpenAI, which recently closed a $122 billion funding round, and Anthropic—preparing their own public debuts. SpaceX’s parent, Elon Musk, already the world’s wealthiest individual, stands to increase his net worth further, potentially edging toward the elusive trillion‑dollar milestone. The public offering would also provide a clearer picture of a company that has become the cornerstone of both commercial spaceflight and satellite broadband. Beyond rockets, SpaceX’s Starlink satellite network now accounts for more than half of the firm’s revenue, according to Reuters. The service not only fuels the company’s earnings but also extends Musk’s geopolitical influence, with customers ranging from the Ukrainian military to remote communities worldwide. In February, SpaceX completed the acquisition of Musk’s artificial‑intelligence venture xAI, a deal that valued the AI unit at roughly $250 billion. The purchase is tied to plans for solar‑powered data centers in orbit, intended to meet the soaring compute and energy demands of the AI boom. The company’s financial details remain tightly guarded, and a full disclosure is expected only after the SEC clears the filing. International banks, including the UK‑based Barclays, have been tapped to manage the offering, underscoring the global scale of the transaction. SpaceX’s deepening ties with the U.S. government—spanning defense contracts and the majority of NASA’s launch schedule—further cement its strategic importance. As the firm pivots toward orbital data centers and supports NASA’s upcoming lunar missions, the traditional narrative of colonising Mars has taken a back seat.

The documentary 'Rave Culture: A New Era' is a high-energy testimonial to the UK's dance revolution in the 80s and 90s. Directed by Eduardo Cubillo Blasco, the film features a pantheon of electronic music greats, including Fabio, Orbital's Hartnoll brothers, Slipmatt, Goldie, and Leeroy Thornhill, who provide deep insights into the dancefloor culture.The film explores the logistics of rave parties, including artwork, promotion, and booking, as well as the legal challenges faced by organizers. It also touches on the evolution of rave from a free-for-all to big business, and its subversive power in terms of race and football hooliganism.While the film could be better structured, it effectively captures the creative longevity of rave culture, which has influenced hardcore breakbeats, jungle, speed garage, grime, and dubstep. The documentary serves as a reminder to digital-native generations to keep the live club experience going.The film is set to premiere at the Rio in London on March 27 and will tour thereafter.