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By Michael Lanza

As a parent of two young adults who’s taken them outdoors since before they can remember, I’ll share with you the biggest and in some ways most surprising lesson I’ve learned from these trips: Our outdoor adventures have been the best times we’ve had together as a family—and not just because the places are so special. The greatest benefit of these trips is that they have given us innumerable days with only each other and nature for entertainment—no electronic devices or other distractions that construct virtual walls within families in everyday life.

For my family, our experiences together outdoors make up most of our richest and favorite memories. They have brought us closer together.

That’s a gift we’ve given ourselves as a family, one that I’ve cherished every minute of (well, most of the minutes, anyway). I also know our kids will appreciate it more and more as they get older—and perhaps they will pass this gift on to children of their own someday.

Tet19 047 Me on Teton Crest Trail copy cropped 7 jpg
Hi, I’m Michael Lanza, creator of The Big Outside. Click here to sign up for my FREE email newsletter. Join The Big Outside to get full access to all of my blog’s stories. Click here for my e-guides to classic backpacking trips. Click here to learn how I can help you plan your next trip.

The Grand Canyon of the Yellowstone River, from the brink of Lower Yellowstone Falls.
” data-medium-file=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2016/12/Yel9-006-Grand-Canyon-of-the-Yellowstone-River-Yellowstone-National-Park..jpg?fit=200%2C300&ssl=1″ data-large-file=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2016/12/Yel9-006-Grand-Canyon-of-the-Yellowstone-River-Yellowstone-National-Park..jpg?fit=427%2C640&ssl=1″ src=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2016/12/Yel9-006-Grand-Canyon-of-the-Yellowstone-River-Yellowstone-National-Park..jpg?resize=427%2C640&ssl=1″ alt=”The Grand Canyon of the Yellowstone River, from the brink of Lower Yellowstone Falls.” class=”wp-image-26044″ srcset=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2016/12/Yel9-006-Grand-Canyon-of-the-Yellowstone-River-Yellowstone-National-Park..jpg?w=427&ssl=1 427w, https://i0.wp.com/thebigoutside.com/wp-content/uploads/2016/12/Yel9-006-Grand-Canyon-of-the-Yellowstone-River-Yellowstone-National-Park..jpg?resize=200%2C300&ssl=1 200w” sizes=”(max-width: 427px) 100vw, 427px” data-recalc-dims=”1″ />The Grand Canyon of the Yellowstone River, from the brink of Lower Yellowstone Falls.

No matter where you go or what you do with your kids, you can reap that reward. But if you want to share with your family the very best experiences and places in nature, well, I have a pretty darn awesome list for you.

For this story, I’ve picked out the 10 very best adventures my family has taken and I’ve written about at The Big Outside—which also rank among the most beautiful and inspiring trips I’ve taken over the past three decades as an outdoors writer, including many years running this blog and previously as a field editor for Backpacker magazine.

This tick list includes seven national parks, three world-class paddling adventures, three trips that should be on every backpacker’s to-do list, America’s most scenic and fascinating volcano hike, and cross-country skiing or hiking among the greatest concentration of active geysers in the world.

Not surprisingly, all of these trips are extremely popular and require planning and making reservations months in advance.

The writeups below all link to my full feature story about each trip at The Big Outside, which include more images and detailed tips on planning each one yourself (and which require a paid subscription to read in full).

You may also want to peruse my list of 10 all-time favorite adventures, domestic and international—there are definitely trips that could be on either list.

I’d love
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5 Reasons You Must Backpack Idaho’s Sawtooth Mountains

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By Michael Lanza

Chances are that, by now, you’ve heard of Idaho’s Sawtooths—having typed that name into a search box may be the reason you’ve landed on this story. Maybe you’ve been intrigued at what you’ve heard or images you’ve seen from Idaho’s best-known mountain range. Perhaps you’ve even been there and the experience has only amplified your curiosity to see more of this range.

As someone who’s had the good fortune of having backpacked all over the country and in many other countries over the past three-plus decades, including the 10 years I spent as a field editor for Backpacker magazine and even longer running this blog, I rank the Sawtooths among the 10 best backpacking trips in America.

Tet19 047 Me on Teton Crest Trail copy cropped 13
Hi, I’m Michael Lanza, creator of The Big Outside. Click here to sign up for my FREE email newsletter. Join The Big Outside to get full access to all of my blog’s stories. Click here for my e-books to classic backpacking trips. Click here to learn how I can help you plan your next trip.

Backpackers on Trail 154 to Cramer Divide in Idaho’s Sawtooths.
” data-image-caption=”Backpackers on Trail 154 to Cramer Divide in Idaho’s Sawtooths.
” data-medium-file=”https://i0.wp.com/tbo-media.sfo2.digitaloceanspaces.com/wp-content/uploads/2021/04/06230304/Saw19-024-Backpackers-on-Trail-154-to-Cramer-Divide-Sawtooth-Mountains-Idaho.jpg?fit=200%2C300&ssl=1″ data-large-file=”https://i0.wp.com/tbo-media.sfo2.digitaloceanspaces.com/wp-content/uploads/2021/04/06230304/Saw19-024-Backpackers-on-Trail-154-to-Cramer-Divide-Sawtooth-Mountains-Idaho.jpg?fit=683%2C1024&ssl=1″ src=”https://i0.wp.com/tbo-media.sfo2.digitaloceanspaces.com/wp-content/uploads/2021/04/06230304/Saw19-024-Backpackers-on-Trail-154-to-Cramer-Divide-Sawtooth-Mountains-Idaho-683×1024.jpg?resize=683%2C1024&ssl=1″ alt=”Backpackers on Trail 154 to Cramer Divide in Idaho’s Sawtooths.” class=”wp-image-45355″ style=”width:572px;height:auto” srcset=”https://tbo-media.sfo2.digitaloceanspaces.com/wp-content/uploads/2021/04/06230304/Saw19-024-Backpackers-on-Trail-154-to-Cramer-Divide-Sawtooth-Mountains-Idaho.jpg 683w, https://tbo-media.sfo2.digitaloceanspaces.com/wp-content/uploads/2021/04/06230304/Saw19-024-Backpackers-on-Trail-154-to-Cramer-Divide-Sawtooth-Mountains-Idaho.jpg 200w, https://tbo-media.sfo2.digitaloceanspaces.com/wp-content/uploads/2021/04/06230304/Saw19-024-Backpackers-on-Trail-154-to-Cramer-Divide-Sawtooth-Mountains-Idaho.jpg 768w, https://tbo-media.sfo2.digitaloceanspaces.com/wp-content/uploads/2021/04/06230304/Saw19-024-Backpackers-on-Trail-154-to-Cramer-Divide-Sawtooth-Mountains-Idaho.jpg 800w” sizes=”(max-width: 683px) 100vw, 683px” data-recalc-dims=”1″ />Backpackers on Trail 154 to Cramer Divide in Idaho’s Sawtooths.

I’ve wandered around the Sawtooths at least a couple dozen times over more than two decades, including numerous backpacking trips, dayhikes, peak scrambles, rock climbing, and backcountry skiing. While there remain peaks on my list to climb, a few trails to hike, and many lakes to leap into (or just sit beside), the Sawtooths have become my backyard mountains. I feel at home there.

This story presents the five reasons I think every backpacker should take a multi-day hike through the Sawtooths—spotlighting the characteristics of a trip there that make this place unique. I believe this argument may persuade you to go (if, somehow, the photos don’t do it).

See my e-book “The Best Backpacking Trip in Idaho’s Sawtooth Mountains” to learn all you need to know to plan and pull off a five-day, 36-mile Sawtooths hike through the core of the Sawtooths, and my Custom Trip Planning page to learn how I can help you plan every detail of a multi-day hike there.

Please share your thoughts or experiences there in the comments section at the bottom of this story. I
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The Venerable Hubble Space Telescope Keeps Delivering

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The world was much different in 1990 when NASA astronauts removed the Hubble Space Telescope from Space Shuttle Discovery’s cargo bay and placed it into orbit. The Cold War was ending, there were only 5.3 billion humans, and the World Wide Web had just come online.

Now, the old Soviet Union is gone, replaced by a smaller but no less militaristic Russia. The human population has ballooned to 8.1 billion. The internet is a fixture in daily life. We also have a new, more powerful space telescope, the JWST.

But the Hubble keeps delivering, as this latest image shows.

The lenticular galaxy NGC 4753 is about 60 million light-years away. Lenticular galaxies are midway between elliptical and spiral galaxies. They have large-scale disks but only poorly defined spiral arms. NGC 4753 sees very little star formation because like other lenticulars, it’s used up most of its gas. The fact that they contain mostly older stars makes them similar to elliptical galaxies.

Among lenticulars, NGC 4753 is known for the dust lanes surrounding its nucleus. Astronomers think that spirals evolve into lenticulars in dense environments because they interact with other galaxies and with the intergalactic medium. However, NGC 4753 is in a low-density environment. Its environment and complex structure make it a target for astronomers to test their theories of galaxy formation and evolution.

This Hubble image is the sharpest ever taken of NGC 4753, revealing its intriguing complexity and highlighting the space telescope’s impressive resolving power.

Astronomers think that NGC 4753 is the result of a merger with a dwarf galaxy over one billion years ago. The dwarf galaxy was gas-rich, and NGC 4753's distinct dust rings probably accreted from the merger. NGC 4753's powerful gravity then shaped the gas into the complex shapes we see in this image. Image Credit: ESA/Hubble & NASA, L. Kelsey
Astronomers think that NGC 4753 is the result of a merger with a dwarf galaxy over one billion years ago. The dwarf galaxy was gas-rich, and NGC 4753’s distinct dust rings probably accreted from the merger. NGC 4753’s powerful gravity then shaped the gas into the complex shapes we see in this image. Image Credit: ESA/Hubble & NASA, L. Kelsey

NGC 4763’s unique structure results from a merger with a dwarf galaxy about 1.3 billion years ago. The video below from NOIRlab explains what happened.

NGC 4753 also hosts two known Type 1a supernovae, which are important because they help astronomers study the expansion of the Universe. They serve as standard candles, an important rung in the cosmic distance ladder.

Galaxies like NGC 4753 may not be rare, but the viewing angle plays a key role in identifying them. Our edge-on view of the galaxy makes its lenticular form clear. We could be seeing others like it from different angles that obscure its nature.

This is a model of NGC 4753, as seen from various viewing orientations. From left to right and top to bottom, the angle of the line of sight to the galaxy's equatorial plane ranges from 10° to 90° in steps of 10°. Although galaxies similar to NGC 4753 may not be rare, only certain viewing orientations allow for easy identification of a highly twisted disk. This infographic is a recreation of Figure 7 from a 1992 research paper.
This is a model of NGC
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Juno Reveals Secrets About Europa’s Icy Surface

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Europa has always held a fascination to me. I think it’s the concept of a world with a sub-surface ocean and the possibility of life that has inspired me and many others. In September 2022, NASAs Juno spacecraft made a flyby, coming within 355 kilometres of the surface. Since the encounter, scientists have been exploring the images and have identified regions where brine may have bubbled to the surface. Other images revealed possible, previously unidentified steep-walled depressions up to 50km wide, this could be caused by a free-floating ocean! 

Juno was launched to Jupiter on 5 August 2011. It took off from the Cape Canaveral site on board an Atlas V rocket and travelled around 3 billion kilometres. It arrived at Jupiter on 4 July 2016 and in September 2022 made its closest flyby of Europa. The frozen world is the second of the four Galilean satellites that were discovered by Galileo over 400 years ago. Visible in small telescopes, the true nature of the moon is only detectable by visiting craft like Juno. 

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Artist’s impression of NASA’s Galileo space probe in orbit of Jupiter. Credit: NASA

During its close fly-by, one of the onboard cameras known as Juno-Cam took the highest resolution images of the moon since Galileo took a flyby in 2000. The images supported the long held theory that the icy crusts at the north and south poles are not where they used to be. Another instrument on board, known as the Stellar Reference Unit (SRU), revealed possible activity resembling plumes where brine may have bubbled to the surface.

The ground track over Europa that was followed by Juno enabled imaging around the equatorial regions. The images revealed the usual, expected blocks of ice, walls, ridges and scarps but also found something else. Steep walled depressions that measured 20 to 50 kilometres across were also seen and they resembled large ovoid pits. 

Solar panels
One of Juno’s enormous solar panels, unfurled on Earth. NASA/JPL. SWrI

The observations of the meanderings of the north/south polar ice and the varied surface features all point towards an outer icy shell that is free-floating upon the sub surface ocean. This can only happen if the outer shell is not connected to the rocky interior. When this happens, there are high levels of stress on the ice which then causes the fracture pattern witnessed. The images represent the first time such patterns have been seen in the southern hemisphere, the first evidence of true polar wandering.

The images from the SRU surprisingly provided the best quality images. It was originally designed to detect faint light from stars for navigation. Instead, the team used it to capture images when Europa was illuminated by the gentle glow of sunlight reflected from Jupiter. It was quite a novel approach and allowed complex features to become far more pronounced than before. Intricate networks of ridges criss-crossing the surface were identified along with dark stains from water plumes. One feature in particular stood out, nicknamed ‘the Platypus’, it was a 37 kilometre by 67 kilometre region shaped somewhat like a platypus.

Source : NASA’s Juno Provides High-Definition Views of Europa’s Icy Shell

The post Juno Reveals Secrets About Europa’s Icy Surface appeared first on Universe Today.

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