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Every great adventurer has to have a few necessities with them. Battery packs, bottles, waterproof jackets, maps, even head torches – all of this might be needed on your next excursion. What’s required is a robust, durable backpack that keeps your adventure accessories organised.

Leading outdoor brand Bach has been kitting out adventurers with innovative, practical gear since 1958. And they think they’ve found the solution with the Bach Dr Duffel 40 – a backpack like no other with a self-standing mechanism to ensure your stuff is easily at hand on your next adventure.

The good news is we’ve partnered up with Bach to offer offer one lucky Wired For Adventure reader the chance to win a Bach Dr Duffel 40 (worth £140).

To win this fantastic prize, all you have to do is answer one simple question. But before that, let’s have a look at the backpack you could be getting your hands on.

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Bach Dr Duffel 40

The award-winning Bach Dr Duffel 40 is a backpack designed for those who want their adventure accessories well organised. Inspired by the traditional doctor’s case, it offers 40L of storage and benefits from an innovative self-standing mechanism. Simply flip the backpack on its side and use the large zipped pocket to open, giving you much more space and maximum packing efficiency. No more rooting through your belongings to find what you’re looking for!

The Dr Duffel 40 also boasts stowable shoulder straps and side carrying handles. So, whether you want to sling it on your back on your next hill walk or treat it like a traditional holdall, it’s got you covered. We also like the padlock-compatible zippers and three, large internal pockets. Planes, buses, trains, or on foot – the Dr Duffel 40 really is the perfect travel companion.

Made from what Bach calls Cordura fabric, the Dr Duffel 40 is tough and durable too. It’s both tear and abrasion resistant, meaning it’ll keep your accessories safe on adventure after adventure. Even the zips are silver nickel-plated and specially designed to last longer.

your adventure backpack

How to win

To win a Bach Dr Duffel 40 (worth £140), just answer the question below. Good luck!

Terms and Conditions

All entries must be received by 23:59 on Tuesday 3 May 2022. Entries submitted after this time will not be counted.Entrants must be at least 18 years old and live in the UK.The prize is non-transferable, non-refundable, and there are no cash equivalents.The winner of the competition will be chosen at random from all those who entered and notified within 28 days of the competition closing.The winner will receive the black Bach Dr Duffel 40.Only one entry per person.Entry implies acceptance of these Terms and Conditions.By entering this competition, you give permission for both Wired For Adventure and Bach to add you to their email databases. You can unsubscribe from these databases at any time by clicking ‘unsubscribe’ at the bottom of emails.The organiser reserves the right to cancel this competition, or to change any condition of this competition, without notice.Acceptance of these Terms and Conditions is a condition of entry.No purchase necessary.

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Frontier Adventure

Massive Stars Have the Power to Shape Solar Systems

1024px Orion Nebula Hubble 2006 mosaic 18000 jpg

Stars shape their solar systems. It’s true of ours, and it’s true of others. But for some massive stars, their power to shape still-forming systems is fateful and final.

In their youth, stars are surrounded by a rotating mass of gas and dust called a protoplanetary disk. Planets form in these disks, and the process can take millions of years. But stars have different masses and different radiation outputs that affect how planets form, or if they form at all.

New research examines how the powerful UV radiation from massive stars affects planet formation in disks. The research article is “A far-ultraviolet–driven photoevaporation flow observed in a protoplanetary disk.” It’s published in the journal Science, and the lead author is Olivier Berne from the Institute for Research in Astrophysics and Planetology, University of Toulouse, France.

The research looks at large stars in their first million years of life, when they’re not only young but extremely luminous. The researchers focused on several stars in the Orion Nebula and its stellar nurseries. The stars are at least ten times more massive than the Sun and are 10,000 times more luminous. What effect does their luminosity and all that radiation have on disks where planets form?

These powerful young stars emit high levels of Far-Ultraviolet (FUV) radiation, which has the power to remove mass from planet-forming disks. This power extends beyond their own immediate surroundings into the disks around neighbouring low-mass stars.

“Most low-mass stars form in stellar clusters that also contain massive stars, which are sources of far ultraviolet (FUV) radiation,” the researchers explain. “Theoretical models predict that this FUV radiation produces photodissociation regions (PDRs) on the surfaces of protoplanetary disks around low-mass stars, which affects planet formation within the disks.” The PDRs can span several hundred astronomical units (AU).

The researchers examined one protoplanetary disk that’s within range of energetic, high-mass stars residing in the Trapezium Cluster in the heart of the Orion Nebula. The five brightest stars in that cluster range from 15 to 30 solar masses, making them prime candidates to study PDRs in neighbouring planet-forming disks. The Orion Bar PDR is an often-studied and prototypical PDR.

The Orion Nebula. The Trapezium Cluster is above and to the right of the three stars in Orion's Belt in this image. The stars in Trapezium are mostly responsible for illuminating Orion, and their powerful FUV energy can strip gas from the protoplanetary disks surrounding lower-mass stars nearby. Image Credit: NASA, ESA, M. Robberto (Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team, Public domain, via Wikimedia Commons
The Orion Nebula. The Trapezium Cluster is above and to the right of the three stars in Orion’s Belt in this image. The stars in Trapezium are mostly responsible for illuminating Orion, and their powerful FUV energy can strip gas from the protoplanetary disks surrounding lower-mass stars nearby. Image Credit: NASA, ESA, M. Robberto (Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team, Public domain, via Wikimedia Commons

The disk in the image, d203-506, is being bombarded by intense FUV radiation from the massive Trapezium stars. The FUV radiation is dispersing matter in the disk, inhibiting planet formation. According to the research, it’s impossible for a Jupiter-mass planet to form in this disk because the radiation is stripping matter away.

FUV photodissociation TrapeziumDid you miss our previous article…
https://mansbrand.com/grabbing-samples-from-the-surface-of-mars/

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Grabbing Samples from the Surface of Mars

Tharsis and Valles Marineris Mars Orbiter Mission 30055660701 1

As if the Mars Perseverance Rover and Ingenuity Drone were not exciting enough then the next step in this audacious mission takes it to a whole new level. Mars Sample Return Mission is to follow along, collect and return the samples collected by Perseverance back to Earth. However the status of Mars Sample Return is uncertain as engineers are still working on technology to retrieve the samples. The current challenge is the gripper arm that will collect the samples and stow them safely and securely before transportation without damaging them. 

Mars, known as the “Red Planet,” is the fourth planet from the Sun.  It’s named after the Roman god of war and has fascinated humans for centuries. The distinctive rusty-red colour and mysterious terrain has over the years, led many to believe Mars was inhabited by aliens. Exploration has shown us though that Mars is a barren landscape that is home to Olympus Mons, the largest volcano, and Valles Marineris, the deepest canyon, in the solar system. 

Tharsis and Valles Marineris Mars Orbiter Mission 30055660701 1 1
Featured Image: True-color image of the Red Planet taken on October 10, 2014, by India’s Mars Orbiter mission from 76,000 kilometers (47,224 miles) away. (Credit: ISRO/ISSDC/Justin Cowart) (This file is licensed under the Creative Commons Attribution 2.0 Generic license.)

Viking 1 was the first spacecraft to visit Mars, successfully touching down on 20 July 1976 in the Chryse Planitia region. It comprised an orbiter and lander both of which were equipped with high resolution cameras to undertake a detailed examination of the Martian surface and atmosphere. A host of other spacecraft have visited Mars since then, most recently the Perseverance rover which carried with it the Ingenuity aircraft.

One of the mission objectives of Perseverance was to collect samples from Martian rocks and soil using the onboard drill. The samples were collected during a process known as ‘sample caching’ and then stored in tubes before being deposited on the surface for later collection. It’s a procedure that has never been undertaken before but set the foundations for future missions to collect and transport the samples back to Earth. Perseverance has been busy, there are now 23 titanium tubes sat on the Martian surface just waiting to be delivered back to Earth.  

Mars Perseverence rover sent back this image of its parking spot during Mars Solar Conjunction. Courtesy NASA/JPL-Caltech
Mars Perseverence rover sent back this image of its parking spot during Mars Solar Conjunction. Courtesy NASA/JPL-Caltech

Enter Mars Sample Return mission, a joint NASA and ESA project that is planned to collect the tubes and bring them home for study. Engineers are now working on a prototype robotic arm that will collect the tubes from the surface. It uses a grip with two ‘fingers’ to pickup the hermetically sealed tubes from various angles and positions. There is a mechanism that ensures enough grip to pickup but not damage the tube or its contents which are Martian samples about the size of a piece of classroom chalk. It can even collect them direct from the rover itself.

As with all space missions, backup plans must always be considered. In the case of the the Sample Return mission the backup is likely to be two helicopters based on the Ingenuity design that can collect the tubes and deposit them in front of the lander for collection. An audacious mission perhaps but we will

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Curiosity Rover is Climbing Through Dramatic Striped Terrain on Mars

Mars Curiosity from HiRISE Circled PIA26245 figA 580x460 1 jpg

Just about every day we here on Earth get a breathtaking picture of Mars’s terrain sent back by a rover. But, the view from space can be pretty amazing, too. The Mars Reconnaissance Orbiter (MRO) just sent back a thought-provoking picture of Curiosity as it makes its way up a steep ridge on Mount Sharp.

The rover is a tiny black dot in the center of the image, which gives a good feeling for what MRO’s HiRISE camera accomplished. For scale, the rover is about the size of a dinner table, sitting in a region of alternating dark and light bands of material on the Red Planet.

NASA's Curiosity Mars rover appears as a dark speck in this image captured from directly overhead by the agency's Mars Reconnaissance Orbiter, or MRO. Credit: NASA/JPL-Caltech/University of Arizona
NASA’s Curiosity Mars rover appears as a dark speck in this image captured from directly overhead by the agency’s Mars Reconnaissance Orbiter, or MRO. Credit: NASA/JPL-Caltech/University of Arizona

Where’s Curiosity?

The Curiosity rover is exploring an ancient ridge on the side of Mount Sharp, which is the peak of a crater on Mars. It’s sitting on the side of a feature called Gediz Vallis Ridge, and the terrains and materials preserve a record of what things were like when water last flowed there. That happened about three billion years ago. The force of the flow brought significant amounts of rocks and debris through the region. They piled up to form the ridge. So, much of what you see here is the desiccated remains of that flooding.

Debris flows are pretty common here on Earth, particularly in the aftermath of floods, volcanic eruptions, tsunamis, and other actions. We can see them wherever material floods through a region or down a slope. In a flood-based flow, the speed of the water combines with gravity and the degree of slope to send material rushing across the surface. A debris flow can also be a dry landslide, and those can occur pretty much anywhere on Earth where the conditions are right. Another type of debris flow comes from volcanic activity. That occurs when material erupts from a volcano, or when earthquakes combined with an eruption collapse material into the side of the mountain. That results in what’s called a “lahar”. Folks in North America might recall the Mount St. Helens eruption in 1980; it resulted in several lahars that buried parts of the surrounding terrain.

Now that scientists see similar-seeming regions on Mars, they want to know several things. How did they form? Were they created by the same processes that make them on Earth? And, how long ago did they begin to form? Curiosity and Perseverance and other rovers and landers have been sent to Mars to help answer those questions.

Understanding the Debris Ridge

Did any of these actions happen on Mars? The evidence is pretty strong, which is why Gediz Vallis itself is a major exploration goal for the rover. It’s a canyon that stretches across 9 kilometers of the Martian surface and is carved about 140 meters deep. Gediz was likely carved by so-called “fluvial” activity (meaning flowing action) in the beginning. Later floods deposited a variety of fine-grained sands and rocks. Over time, winds have blown a lot of that material away, leaving behind protected pockets of materials left behind by the flooding. The size of the rocks tells something about the speed of the flows that deposited all the material. Geological studies of those rocks will reveal their mineral compositions, including their exposure to water over time.

The Gediz Vallis ridge resulted from the action of water pushing rocks and dirt around to build it up over time. Planetary scientists now need to figure out the sequence of events that created it. The clues lie in the scattered rocks in the region and the surrounding terrain. Mount Sharp itself (formally known as Aeolis Mons), is about 5 kilometers high and is, essentially, a stack of layered sedimentary rocks. As Curiosity makes its way up the mountain, it explores younger and younger materials.

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