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Dive into the heart-pounding action of the 52nd annual Odessa Stump Jumper 100-mile desert race with Wranglerstar. This legendary race has been challenging riders since its inception‚ pushing them to their limits across some of the most unforgiving terrains in North America. In this video‚ Cody takes on this historic race‚ sharing his journey through the rugged landscapes that have tested the endurance of countless adventurers before him. Watch as he tackles the same dusty trails and steep inclines that have made the Odessa Stump Jumper a bucket list race for endurance racers. From detailed pre-race preparations and critical gear reviews to in-race strategy and personal endurance tips‚ this video is packed with insights and dramatic moments. Whether youre a fan of extreme sports‚ a history buff interested in the evolution of desert racing‚ or someone looking for the inspiration to push beyond your limits‚ this video will give you a front-row seat to the challenge and beauty of the Odessa Stump Jumper. Discover the highs‚ the lows‚ the triumphs‚ and the obstacles of completing a 100-mile race that has been a pivotal part of the desert racing scene for over five decades. Subscribe to Wranglerstar for more epic adventures‚ how-to guides‚ and personal stories from the wild. Dont forget to hit the bell icon to stay updated on our latest uploads! Keywords: Odessa Stump Jumper‚ 100-mile race‚ desert racing‚ endurance race‚ extreme sports‚ adventure racing‚ Wranglerstar race experience

I remember reading about an audacious mission to endeavour to drill through the surface ice of Europa‚ drop in a submersible and explore the depths below. Now that concept may be taking a step closer to reality with researchers working on technology to do just that. Worlds like Europa are high on the list for exploration due to their potential to harbour life. If technology like the SLUSH probe (Search for Life Using Submersible Head) work then we are well on the way to realising that dream.The search for life has always been something to captivate the mind. Think about the diversity of life on Earth and it is easy to see why we typically envisage creatures that rely upon sunlight‚ food and drink. But on Earth‚ life has found a way in the most inhospitable of environments‚ even at the very bottom of the ocean. The Marianas Trench is deeper than Mount Everest is tall and anything that lives there has to cope with cold water‚ crushingly high pressure and no sunlight. Seems quite alien but even here‚ life thrives such as the deep-sea crustacean Hirondellea Gigas catchy name.Location of the Mariana Trench. Credit: Wikipedia Commons/KmusserEuropa‚ one of the moons of Jupiter has an ice crust but this covers over a global ocean of liquid water. The conditions deep down in the ocean of Europa might not be so very different from those at the bottom of the Marianas Trench so it is here that a glimmer of hope exists to find other life in the Solar System. Should it exist‚ getting to it is the tricky bit. Its not just on Europa but Enceladus and even Mars may have water underneath ice shelves. Layers of ice up to a kilometre thick might exist so technology like SLUSH has been developed to overcome.Natural color image of Europa obtained by NASAs Juno spacecraft. (Credit: NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill)The technology is not too new though since melt probes like SLUSH have been tested before. The idea is beautifully simple. The thermo-mechanical probe uses a drilling mechanism to break through the ice and then the heat probe to partially melt the ice chips‚ forming slush to enable their transportation to behind the probe as it descends.The probe‚ which looks rather like a light sabre‚ is then able to transmit data from the subsurface water back to the lander. A tether system is used for the data transmission using conductive microfilaments and an optical fibre cable. Intriguingly and perhaps even cunningly‚ should the fibre cable break (which is a possibility due to tidal stresses from the ice) then the microfilaments will work as an antenna. They can then be tuned into by the lander to resume data transmission. The tether is coiled up and housed inside spools which are left behind in the ice as the spool is emptied. I must confess my immediate thought here was litter! I accept we have to leave probes in order to explore but surely we can do it without leaving litter behind! However there is a reason for this too. As the spools are deployed‚ they act as receivers and transmitters to allow the radio frequencies to travel through the ice.The company working on the device is Honeybee Robotics have created prototypes. The first was stand alone‚ had no data transmission capability and demonstrated the drilling and slushing technology in an ice tower in Honeybees walk in freezer. While this was underway‚ the tether communication technology was being tested too with the first version called the Salmon Probe. This was taken to Devon Island in the Arctic where the unspooling method is being put through its paces. The first attempts back in 2022 saw the probe achieving depths of 1.8m!A further probe was developed called the Dolphin probe and this was capable of getting to depths of about 100m but sea ice limitations meant it could only get to a depth of 2m! Thus far‚ all probes have performed well. Honeybee are now working on the Narwhal Probe which will have more measuring equipment on board‚ a deployable tether and spool and will be far more like the finished product. If all goes to plan it will profile the ice on Devon Island to a depth of 100m. This is still quite short of the kilometre thick ice expected but it is most definitely fantastic progress toward exploring the cold watery depths of alien worlds.Source : SLUSH: AN ICE DRILLING PROBE TO ACCESS OCEAN WORLDSThe post Testing a Probe that Could Drill into an Ice World appeared first on Universe Today.

Missions to asteroids have been on a tear recently. Visits by Rosetta‚ Osirix-REX‚ and Hayabusa2 have all visited small bodies and‚ in some cases‚ successfully returned samples to the Earth. But as humanity starts reaching out to asteroids‚ it will run into a significant technical problem bandwidth. There are tens of thousands of asteroids in our vicinity‚ some of which could potentially be dangerous. If we launched a mission to collect necessary data about each of them‚ our interplanetary communication and control infrastructure would be quickly overwhelmed. So why not let our robotic ambassadors do it for themselves thats the idea behind a new paper from researchers at the Federal University of So Paulo and Brazils National Institute for Space Research.The paper primarily focuses on the control problem of what to do when a spacecraft is approaching a new asteroid. Current missions take months to approach and require consistent feedback from ground teams to ensure the spacecraft understands the parameters of the asteroid its approaching especially the gravitational constant.Some missions have seen more success with that than others for example‚ Philase‚ the lander that went along with Rosetta‚ had trouble when it bounced off the surface of comet 67P/Churyumov-Gerasimenko. As the authors pointed out‚ part of that difference was a massive discrepancy between the actual shape of the comet and the observed shape that telescopes had seen before Rosetta arrived there.Fraser discusses the possibility of capturing an asteroid.Even more successful missions‚ such as OSIRIS-Rex‚ take months of lead-up time to complete relatively trivial maneuvers in the context of millions of kilometers their overall journey takes them. For example‚ it took 20 days for OSIRIX-Rex to perform multiple flybys at 7 km above the asteroids surface before its mission control deemed it safe to enter a stable orbit.One of the significant constraints the mission controllers were looking at was whether they could accurately calculate the gravitational constant of the asteroid they were visiting. Gravity is notoriously difficult to determine from far away‚ and its miscalculation led to the problems with Philae. So‚ can a control scheme do to solve all of these problems?Simply put‚ it can allow the spacecraft to decide what to do when approaching their target. With a well-defined control scheme‚ the likelihood of a spacecraft failure due to some unforeseen consequence is relatively minimal. It could dramatically decrease the time missions spend on approach and limit the communication bandwidth back toward mission control on Earth.One use case for quick asteroid mission mining them‚ as Fraser discusses here.Such a scheme would also require only four relatively ubiquitous‚ inexpensive sensors to operate effectively a LiDAR (similar to those found on autonomous cars)‚ two optical cameras for depth perception‚ and an inertial measurement unit (IMU) that measures parameters like orientation‚ acceleration‚ and magnetic field.The paper spends plenty of time detailing the complex math that would go into the control schema some of which involve statistical calculations similar to basic learning models. The authors also run trials on two potential asteroid targets of interest to see how the system would perform.One is already well understood. Bennu was the target of the OSIRIX-Rex mission and‚ therefore‚ is well-characterized as asteroids go. According to the paper‚ with the new control system‚ a spacecraft could enter a 2000 m orbit within a day of approaching from hundreds of kilometers away‚ then enter an 800 m orbit the next day. This is compared to the months of preparatory work the actual OSIRIS-Rex mission had to accomplish. And it can be completed with minimal thrust and‚ more importantly‚ fuel a precious commodity on deep-space missions.Asteroid defense is another important use case for quick asteroid missions as Isaac Arthus discusses in this video.Credit Isaac ArthurAnother demonstration mission is one to Eros‚ the second-largest asteroid near Earth. It has a unique shape for an asteroid‚ as it is relatively elongated‚ which could pose an exciting challenge for automated systems like those described in the paper. Controlling a spacecraft with the new schema for a rendezvous with Eros doesnt have all the same advantages of a more traditional asteroid like Bennu. For example‚ it has a much higher thrust requirement and fuel consumption. However‚ it still shortens the mission time and bandwidth required to operate it.Autonomous systems are becoming increasingly popular on Earth and in space. Papers like this one push the thinking about what is possible forward. Suppose all thats required to eliminate months of painstaking manual technical work is to slap a few sensors and implement a new control algorithm. In that case‚ its likely that one of the various agencies and companies planning to rendezvous with an asteroid shortly will adopt that plan.Learn More:Negri et al. Autonomous Rapid Exploration in Close-Proximity of an AsteroidUT Miniaturized Jumping Robots Could Study An Asteroids GravityUT How to Make Asteroid Landings SaferUT A Spacecraft Could use Gravity to Prevent a Dangerous Asteroid ImpactLead Image:Artists conception of the Lucy mission to the Trojan asteroids.Credit NASAThe post If We Want to Visit More Asteroids‚ We Need to Let the Spacecraft Think for Themselves appeared first on Universe Today.

The song started and ended in daylight‚ with darkness in between. Continue reading

Three-CD set includes outtakes‚ rarities and live performances. Continue reading

Pink Floyd was onto something‚ as sessions continued for 1973';s ';The Dark Side of the Moon.'; They just didn';t have an ending. Continue reading

Loud boos filled the air while officers confiscated the MAGA swag

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