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A failed Soviet Venus probe is falling to Earth, and an astronomer will attempt to catch it on camera on May 8

A failed Soviet Venus probe is falling to Earth, and an astronomer will attempt to catch it on camera on May 8

Yahoo09-05-2025

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A Soviet-era spacecraft is set to reenter Earth's atmosphere after over 50 years in orbit, and you may just be able to see it blaze through our skies during a live webcast.
Using its robotic telescopes in Manciano, Italy, the Virtual Telescope Project aims to observe the anticipated reentry of the former Soviet Union's Cosmos 482 spacecraft. The probe intended to deliver a descent module to the surface of Venus, but failed to escape low Earth orbit following its launch in 1972.
To catch a glimpse of the spacecraft, the Virtual Telescope Project will host a live webcast online, beginning at 11:40 p.m. EDT on May 8 (0340 GMT May 9). You can watch the livestream here on Space.com courtesy of the Virtual Telescope Project or directly on their WebTV page or YouTube channel.
Since its failed launch, the spacecraft's descent module — a heavy, durable object built to survive entry into Venus's atmosphere — has remained in orbit. It has been slowly descending toward Earth and is now expected to reenter the atmosphere around May 10, based on current orbital predictions.
However, the high-speed and unpredictable nature of the spacecraft's uncontrolled reentry through Earth's atmosphere makes it challenging to observe. Gianluca Masi, Virtual Telescope Project founder and astronomer, said he "is not sure we will succeed, as this is an extreme task, but we will do our best," in an email to Space.com.
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— Old Soviet Venus lander's fall to Earth will be no ordinary space junk crash. Here's why
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The Virtual Telescope Project will need to rely on real-time orbital predictions and trajectory forecasts provided by satellite tracking services to adjust their robotic telescopes accordingly.
During reentry, the spacecraft will appear as a bright, fast-moving object, much like a meteor streaking across the sky — that is, if it even falls near an area where it can be seen. Given Cosmos 482 was designed to withstand Venus' harsh conditions, parts of it may survive its trip through the atmosphere and land back down on Earth, experts have said.

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After record-breaking Everest climbers revealed they use hypoxic tents to get altitude ready without acclimatizing on the mountain, we look at how the technology works
After record-breaking Everest climbers revealed they use hypoxic tents to get altitude ready without acclimatizing on the mountain, we look at how the technology works

Yahoo

time2 hours ago

  • Yahoo

After record-breaking Everest climbers revealed they use hypoxic tents to get altitude ready without acclimatizing on the mountain, we look at how the technology works

When you buy through links on our articles, Future and its syndication partners may earn a commission. Around 800 people attempt to climb Mount Everest each year, braving extreme conditions for the chance to say they've stood on top of the world. Along with rigorous physical and mental training, hopefuls need to prepare for the harrowing effects of altitude atop Earth's tallest mountain, where the amount of oxygen taken in with each breath is drastically lower than at sea level. Traditionally, climbers have acclimatized by spending significant time in the mountains, heading up and down to prepare their bodies for the dizzying heights, and reducing the impact of altitude sickness. This tried and tested method has proven effective for the past 70 years of Everest expeditions, but comes with one major drawback: time. Without four to six weeks to dedicate to acclimatization, many Everest hopefuls are now turning to modern technology to help them prepare, sleeping and exercising in specialist acclimatizing 'hypoxic' tents, which do away with the need to spend months in the mountains. 'You sleep like garbage if you're not acclimatized, you lose your appetite, so you wither away Brian Oestrike, CEO of Hypoxico Altitude Training Systems As alien as it may sound, hypoxic tents, otherwise known as altitude tents, have become increasingly common in recent years, used by alpinists and climbers to prepare for harsh conditions. This year, a group of British veterans in their forties and fifties used hypoxic tents in combination with controversial Xenon gas to speed-climb the mountain, summiting a record four days after arriving in Nepal and effectively going from sea level in London, to the highest peak on the planet in 5 days. The very next day, US-Ukrainian climber Andrew Ushakov claimed to have broken their record, after spending over 400 hours acclimatizing in a hypoxic tent. Ushakov says he went from New York to the Everest summit in just 3 days, 23 hours, and 27 minutes. So what are hypoxic tents, and how can they help climbers achieve these once-unthinkable feats? Read on for everything you need to know. Put simply, hypoxic tents mimic the low oxygen levels of high-altitude environments. The air at sea level contains 20.9% accessible oxygen, a number that drops dramatically the higher you get. At Everest base camp, it falls to around 10.4%. By the summit, it's down to just a third of the accessible oxygen quotient at regular sea-level. In healthy individuals, blood oxygen saturation levels sit around 98% to 100% at sea level. At altitude, that number drops to roughly 87% to 92% This has a weakening effect and can cause altitude sickness. Hypoxic tents simulate this mix with a generator or pump, which removes oxygen and replaces it with nitrogen, reducing the amount of oxygen in the air to high-altitude levels. Sleeping in the simulated altitude conditions of a hypoxic tent triggers your body to saturate your blood oxygen levels, releasing red blood cells and ready your system for conditions at 20,000ft (6,096m). 'As you expose yourself to altitude, your kidneys release EPO [erythropoietin], which starts this physiological change that leads to an increase in red blood cells, but more so into a better ability to transport and utilize oxygen,' Brian Oestrike, CEO of Hypoxico Altitude Training Systems tells us. Climbers like Ushakov use hypoxic tents to ready themselves for the unforgiving mountain conditions atop the globe's tallest peaks. Saturating your blood oxygen levels can be beneficial in several ways, reducing the risk of altitude sickness and preparing your body for the tiring effects of altitude. 'You improve your comfort and safety margin as you're ascending up through the mountains,' Oestrike explains. 'You sleep like garbage if you're not acclimatized, you lose your appetite, so you wither away as those things happen. By acclimatizing beforehand and using this equipment, you can offset your expedition, it improves your safety and your comfort margin.' By mimicking arduous alpine conditions, hypoxic tents can reduce the time it takes to acclimatize. 'Most people, if they're going to the Himalayas, historically have a six to eight-week expedition itinerary,' continues Oestrike. 'It takes that long for your body to slowly adapt and build the red blood cells that carry oxygen and allow you to climb safely." Ultra-running superstar Kilian Jornet slept inside a hypoxic tent for eight weeks before his maiden ascent of Mount Everest, mimicking altitudes of 13,000ft (3,962m) to 16,000ft (4,877m) without leaving sea level. He then became the fastest man to climb Everest alone and without oxygen, summiting the 29,000ft (8,850m) behemoth in just 26 hours. Although they're becoming increasingly popular with climbers and other extreme athletes, hypoxic tents do have their limitations and experts say they cannot be trusted as the sole method for acclimatization. "It's not the full acclimatization. I would say it's the first step," says Grégoire Millet, Professor of Exercise Physiology at the Institute of Sport Sciences in Lausanne, France. He explains that, even after months of sleeping in a hypoxic tent, "you will use some acclimatization, but not the full spectrum. You can be fully acclimatized in the tent, and not acclimatized to the real mountain". In other words, hypoxic tents cannot fully prepare the body for the rigours and difficulties of climbing at very high altitudes. In the Himalayas, elite climbers (and paying clients) on expeditions aiming for the highest peaks enter what is known as the Death Zone, an extremely dangerous zone above 26,247ft (8,000m), where besides having to deal with temperatures potentially tumbling to -31°F (-35°C) and highly technical terrain, the oxygen in the air is so low it's impossible for humans to survive for long. "You have to go to the real mountain for at least a few days before you travel," advises Millet, an expert in acclimatization technology. He advises climbers to use the tents in combination with traditional acclimatization methods, like sleeping atop smaller mountains, before tackling any major peaks. "It's better to use the tents, and then before you go to the Himalayas, it's recommended that you go for at least a few days to the Alps," he says. He says your body acclimatizes differently at real altitude and, despite their many benefits, hypoxic tents cannot fully replicate the tough conditions and and lack of oxygen in the mountains. It's not just mountaineers who put hypoxic tents to good use. All manner of sports people, from swimmers to footballers, use simulated altitude environments to expand their physical capabilities and access the benefits of altitude training. 'If you can transport and utilize oxygen better, that leads to better performance benefits, and literally just more ability to consume oxygen,' says Oestrike. "Most of the elite athletes, they have a hypoxic chamber at home," adds Millet. "It's not a tent, but it's a real chamber. It's the same idea, you decrease the oxygen concentration in the room." By training and sleeping at altitude, athletes can increase what's known as their hemoglobin mass, which boosts the amount of oxygen they can utilize during exercise. As Millet explains, this requires considerably more time than mountain acclimatization: "Every 100 hours sleeping in the tent, you will increase your hemoglobin by one percent." Every member of the US Olympic rowing quad who won gold at the Paris 2024 games reportedly slept in hypoxic tents for six weeks before racing. Although they're designed for elite athletes, hypoxic tents can be useful to outdoor enthusiasts of all abilities, helping to build fitness and intensify workouts. When it comes to climbing, Oestrike suggests that hypoxic tents are even more useful to amateurs than professionals. 'Most people who are committed to an 8,000m (26,247ft) peak know what they're getting into, they know what the training looks like, and they know what it takes to prepare. 'High-level athletes are already training super intensively. So the person that's more modest and maybe needs to lose a little weight, they're going to see a greater upside.' Of course, hypoxic tents are not required for easy-to-medium-difficulty ascents. Nor are they absolutely essential to climb giants like Mount Everest. Traditional, slower, acclimatization has proven itself as an effective, stress-tested method of alpine preparation. Rather, hypoxic tents are an additional and convenient method of acclimatizing, to be used along with high-altitude climbing and intensive training. You can read our exclusive interview with Andrew Ushakov here. For more on climbing preparation, check out our expert guide. The best ice axes: for tackling frozen terrain The best climbing shoes: get a grip both indoors and out

Rocket Lab launches private Earth-observing satellite toward orbit
Rocket Lab launches private Earth-observing satellite toward orbit

Yahoo

time3 hours ago

  • Yahoo

Rocket Lab launches private Earth-observing satellite toward orbit

When you buy through links on our articles, Future and its syndication partners may earn a commission. Rocket Lab launched an Earth-observing satellite for the company BlackSky toward orbit tonight (June 2). An Electron rocket lifted off from Rocket Lab's New Zealand site today at 7:57 p.m. EDT (0057 GMT or 11:57 a.m. local New Zealand time on June 3), carrying a "Gen-3" satellite for Virginia-based BlackSky toward low Earth orbit (LEO). If all goes to plan, the mission, which Rocket Lab calls "Full Stream Ahead," will deliver the spacecraft to a circular orbit 292 miles (470 kilometers) above Earth. Once there, the spacecraft "will join the remainder of the company's constellation delivering very high-resolution imagery and AI-enabled analytics for daily intelligence operations," Rocket Lab wrote in a mission description. "'Full Stream Ahead' is the second in a series of four Electron launches booked by BlackSky to deploy its Gen-3 satellites to orbit this year, and the 10th overall [Electron] launch for the company — making Electron the most prolific launcher for their constellation to date," Rocket Lab added. Related stories: — Rocket Lab launches new NASA solar sail tech to orbit (video, photos) — Rocket Lab launches sharp-eyed Earth-observation satellite to orbit (video) — Rocket Lab launches 5 'Internet of Things' satellites to orbit (video) Tonight's launch was the seventh of 2025 and the 65th overall flight for the 59-foot-tall (18 meters) Electron, which gives small satellites dedicated rides to orbit. Rocket Lab also flies a suborbital variant of Electron known as HASTE, which serves as a testbed for hypersonic technologies. The company is also developing a larger, more powerful orbital rocket called Neutron, which is designed to be partially reusable. Neutron is expected to debut later this year. Editor's note: This story was updated at 8:10 p.m. ET on June 2 with news that Electron had lifted off.

EPA, Park Service take big hits in latest Trump budget plan
EPA, Park Service take big hits in latest Trump budget plan

The Hill

time5 hours ago

  • The Hill

EPA, Park Service take big hits in latest Trump budget plan

The Trump administration's more detailed budget request seeks to decimate science, staffing and other programs at multiple environment-related federal agencies. Entities ranging from the Environmental Protection Agency (EPA) to the National Park Service (NPS) would see deep and specific cuts under the less 'skinny' version of the administration's budget that was released late Friday. The EPA sees a 35 percent cut to the payroll for its science staff and for staff who work on environmental programs and environmental management. NPS sees a 30 percent cut to its staff in charge of park system operations. Meanwhile, the National Oceanic and Atmospheric Administration (NOAA) sees a 28 percent cut to its operations, research and facilities staff payroll. But it's not just staff that takes a hit. A number of offices related to energy and environmental research, as well as disaster response, are reduced or eliminated under the proposal. It completely zeroes out NOAA's office of Oceanic and Atmospheric Research, for example, and also cuts federal assistance at the Federal Emergency Management Agency (FEMA) by 32 percent. Science and technology activities at the EPA would see a 33 percent cut, while environmental programs and environmental management at the agency would see an 18 percent one. And the Energy Department would also see a 13 cut to its science office. The budget document also proposes to 'wind down' the department's Office of Clean Energy Demonstrations, which was established in the Biden-era bipartisan infrastructure law to to bolster emerging energy technologies including hydrogen power, carbon capture, advanced nuclear reactors, and batteries. 'This sick joke of a budget is a nonstarter,' said Rep. Zoe Lofgren (Calif.), the top Democrat on the House Science, Space and Technology Committee, in a written statement. 'In no way can America continue to lead if Trump continues his vendetta against the scientific enterprise. While Trump slashes budgets for American research and innovation, our adversaries, like China, are popping champagne. I will do everything I can to stand in the way of this ridiculous plan. In previous years, a White House budget request has been taken as more of a signal of an administration's priorities than a roadmap that's likely to be realized since it's Congress, not the administration, that has the power of the purse. The Trump administration, however, has signaled that it is willing to go further to challenge that authority, already instituting massive layoffs at many agencies and gearing up for more. And White House budget director Russell Vought said over the weekend that the administration would consider ' impoundment ' to get its agenda across the finish line. It's not entirely clear how the budget would play out politically, as cuts to programs such as NPS have been historically unpopular. The administration's calls for cuts to FEMA have also been met with mixed reviews even within the GOP, though, the budget proposal stops short of the administration's broader calls to eliminate FEMA entirely. The document that was released late Friday gives additional color to a less detailed 'skinny budget' previously released by the administration. The skinny budget also proposed big cuts at similar agencies. The previously announced document called for a 55 percent cut to the EPA's overall budget and a 31 percent cut to the Interior Department, which houses the Park Service. It also called for transferring certain national park 'properties' to the states.

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