Jani Radebaugh
@radjanirad
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Planetary scientist • BYU professor • Explorer • Science communicator
Provo, UT, USA
Joined March 2013
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Beautiful image by the Indian Space Agency of the Apollo 12 landing site, with footprints to the Surveyor robotic craft. Love the sharp shadows!
@ISRO
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This is so beautiful - I'd never seen this image that Cassini grabbed of Saturn's moon Enceladus, its water volcanoes gushing out the south pole against the brightly lit rings, and the small ring moon Pandora in the lower right. WOW.
@exploreplanets
@NASA
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Ok, well, we stumbled onto this big, rough lava flow last night (we're safe on a cold hill) and the glow was 😍
#icelandvolcano
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So sad to have lost Mari Foroutan in the downed Ukrainian plane. She studied gravel ripples in Iran and compared them to Mars, with help from Jim Zimbelman, and we discussed this a little - I wish more. She was a bright light and will be missed.
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One of the top five videos of my life...
I think you can hear me say "it's so beautiful it hurts". :)
Taken this week in
#icelandvolcano
#iceland
@iceland
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Oh my gosh, look at all the volcanoes on Io!! From a dozen to dozens, when seeing with better and closer eyes. From the Juno spacecraft, orbiting Jupiter. By the amazing
@_RomanTkachenko
@NASAJuno
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I counted about 85 hotspots, active volcanic eruptions, in this new image of Io from
@NASAJuno
. 😮 And that's only half the body! I'm loving this high resolution!
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Last month, Curiosity captured this image of a dust devil on Mars. :) I love being reminded that stuff is happening on the planets whether we're there to see it or not!
@MarsCuriosity
@NASA
@exploreplanets
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These are late 1600s notes by Giovanni Cassini on the discovery of moons of Saturn from the
#Paris
Observatory - blown away at how old!
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Well, I'm one of those - a covid wedding bride. :) If it had to be done, why not on a beautiful sand dune? Wish I could have had you all there!
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Beautiful new rendering of distant Ultima Thule by
@_RomanTkachenko
- even more little craters visible, plus its strange mosaicy lumpiness
@NewHorizons2015
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I'm gonna roll out a few of my favorite solar system images. I'll start with this incredible view of nitrogen glaciers moving through steep and rugged water ice mountains on distant Pluto. From the
@NewHorizons2015
mission
@NASA
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The highlight of the new eruption in Iceland is a large, single vent with fountains hundreds of feet high! These pulses happen about every 15 minutes and feed the other flows. I'm so in love 😍 and it's so hard to walk away!
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I saw yardangs on
#Titan
so I did one of the bravest and most moving things of my life - visited the Lut desert of Iran.
#CassiniInspires
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Just a few hours ago, Cassini received the command to turn off the RADAR instrument - for the last time. :(
#cassini
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Your next dose of lava videos: This flow is so hot and fluid (coming from very deep) that it moves like water, making lava falls, rivers and pools! We had a strange desire to take a plunge...Taken this week at
#icelandvolcano
#iceland
@iceland
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Look how dark these materials are from asteroid Ryugu - they are carbon-rich and contain 15 different kinds of amino acids! Building blocks of life. From the Japanese Hayabusa 2 mission. Can't wait for OSIRIS-REx materials coming this fall!
@haya2e_jaxa
@OSIRISREx
@UArizonaLPL
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Aaahhh - amazing! 2.4 billion gallons have erupted into Kilauea in the last week ish!
@USGSVolcanoes
@Nature
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Oh my gosh, it's Dragonfly!!!! A heliocopter for Titan just downselected by NASA from 12 to TWO missions for study, and I'm on the science team - here we go!!
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Is the eruption in Iceland still going? Yes, a thousand times yessss! ;)
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AAAHHH - new, giant lava lake in Kilauea Caldera! Brand new but already larger than anything in decades
#Kilauea
pc
@USGSVolcanoes
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The
@Juno
mission to Jupiter has been extended - and can start close flybys of Ganymede, Europa, and 🥰 Io!
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Lava is erupting in the summit caldera of Mauna Loa, the largest volcano on Earth!! Started early this morn
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"as I ran along, I remember ... saying to myself, 'You know, this is really the moon. We're really here. ... That's the Earth up there.' And I said it two or three times to myself." RIP, Alan Bean, Moon walker :(
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How much pleasure is it to spend time looking at the volcanic calderas and lava flows of the Jupiter side of Io? The complexity of patterns, the richness of color and the "softness" of the
#Voyager
images are breathtaking.
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At the Iceland volcano, there were these incredible overflowing, overturning circular lava ponds, consuming crust and expanding outwards - I've never seen anything like it! You can hear Laura getting her drone up to view one.
#iceland
#icelanderuption
@iceland
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If you'd like to know more about the Dragonfly mission, the moon Titan, and the NASA program it's under, here is the press conference with great detailed interviews. I'm on the mission team, and am floored and elated!
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"Possibly most beautiful image ever from any spacecraft" - Pluto (atmosphere, glaciers, mountains...) - Buratti. I agree!!
#titantime2017
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Beautiful shot of the backshell and parachute from Mars Perseverance taken by the Ingenuity helicopter - with its shadow! Planetary flight continues to be awesome...
@NASAJPL
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I've been next to a fair number of lava flows, but few this fast and exposed - it was so hot!! This was from an overflow of the big, perched channel fed by the vent fountains.
#icelanderuption
#Iceland
@iceland
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All the dunes of Titan that can be traced are traced! 30,437 of them...
I sometimes try to emulate the artistic approach of
@ThePlanetaryGuy
in poster making, and it came out well this time!
#LPSC2023
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A father brought his high school-aged daughter to my office to encourage her towards a STEM career. Now she is graduating in geology with a BS and a 4.0, and has her pick of 7 or 8 PhD programs. Parenting matters!
#BYU
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Great tour today of the Large Hadron Collider at CERN - this smashes atoms and smaller bits into even smaller things predicted by physics but hard to see in nature. Amazing to celebrate the best of our technology - go science!
#CERN
#CERNOpenDays
#LHC
#Geneva
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I was exploring this spectacular landscape a year ago - wind-carved ridges of the Argentine Puna high plateau (like on Mars!). Let's hope Laura Kerber and I can get back there in 2021!
@DJIGlobal
#mavic2pro
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Foundering of the crust in ponded lava in Iceland! 🧡
Myndbandið hennar Anítu Ólafar Jónsdóttur er enn held ég magnaðasta myndbandið frá þessu gosi:
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It's hard to believe, but I'm on my way - to
#Antarctica
, to look for meteorites with
#ANSMET
! Follow us here:
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Really stunned by the detail in rings of Saturn from Cassini close orbits - density waves, propellers from tiny moons, "straw" of material strewn between. Tiscareno
#AGU17
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Beautiful picture of the far side of the Moon and Earth taken yesterday by the Chinese Longjiang-2 spacecraft. I'm totally unfamiliar with this part of the Moon! Received on Earth in the Netherlands
@radiotelescoop
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To add to the list of cool things happening on Titan: Dust storms! Our paper is out today in Nature Geoscience.
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Look what just came - Pluto! Thanks
@AlanStern
! (
#sauropod
femur on the right...)
#pluto
@NewHorizons2015
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I'm always impressed to see giant stratovolcano Mt. Rainier looming large across the airplane window - big glaciers almost to the bottom, jagged cliffs from repeated lava flows and landslides and erosion ❤
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We are moving forward with Dragonfly for a launch in 2028! We'll be flying around on Titan with an incredibly capable rotorcraft before we know it! :)
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Evolving lava flows around a cinder cone off the coast of Japan using radar SAR imagery - so cool!
【防災関連情報】#西之島 の火山活動について、6月19日に観測した結果を公表。
最新のだいち2号のSAR強度画像では、火砕丘の北西側から東側で溶岩等によるとみられる地形変化と海岸線の変化が見られます。
詳細はこちら→
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I study things that can cross roads - lava and dunes. I guess it's the excitement of rapid change! This scene today at the Salton Sea is gorgeously post apocalyptic.
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My first time seeing the Deccan Traps! Famous outpouring of flood basalt at the top of a giant mantle plume 66my ago that covers much of India. Just climbing up from Mumbai.
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Check out all these dust devils in Jezero Crater! Taken the last few weeks by
@NASAPersevere
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Mood today...(excited to be at Dragonfly mission to Titan team meeting!!)
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This lava flow is so hot, it readily consumes its own crust! And why does it always make us think of some kind of yummy food...
#icelanderuption
#iceland
@iceland
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Thinking about these fun objects today - they're around the distance of Pluto and beyond. For fun, say their names out loud!
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Remember this iconic photo and the 1991 Mount Pinatubo eruption? Today I got to drive up the ash plain! It was broad and sandy and the tropical, green mountain loomed large.
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We made a new global geologic map of Titan! Paper out today
@NatureAstronomy
led by
@rosaly_lopes
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I can remember kicking around this mission idea early on, bouncing along in a Land Cruiser on desert roads in Morocco with my buds. Now it's actually happening!!
#Dragonfly
#Titan
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We got to Lonar impact crater today! Way off the beaten path in western India, it's just 50k years old. And it was HOT.
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I LOVE watching a new cooled surface form, and it happens so fast! Yeah, that's Laura's gas meter going off... we had our gas masks on...
#Iceland
#icelanderuption
@iceland
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The mind- blowing Ellora caves in central-western India, a single monolithic several-story temple carved into Deccan Trap basalt. 3 million cubic feet of rock removed, 8th century!
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It's amazing how similar Pluto's Charon and Uranus' Ariel are - same size, both icy, both with obvious tectonic and volcanic features. - Ross Beyer
#PlutoKBO2019
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I just got my author's copy! Io: A New View of Jupiter's Moon. 😍
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China just landed on the Moon with Chang'e 5 and is drilling and digging for samples to bring back!! Amazing achievement
#Change5
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A big perched channel fed by the main vent had some massive overflows yesterday! We ran down for a closer look.
#icelanderuption
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Got to visit the historic Mount Wilson Observatory above Los Angeles, where a century ago Hubble discovered the universe was expanding. Looked through the 100 inch, stayed in the astronomers quarters and sat in Einstein's chair!
#mountwilson
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We flew over Greenland today and it was clear and holy cow it was so beautiful!!!
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Hirchel's notes on finding planet Uranus from his handmade telescope in Bath in 1781. And sketches of sunspots and Saturn's rings by Dominic Cassini in 1676 - I found both yesterday at The Royal Society in London!
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Down by the Colorado River in the Grand Canyon is one of my favorite places on Earth. I've had to work hard to get there, I have many miles between me and any kind of car, and there is utter peace and calm among a riot of rocks and rapids. It fills me up!
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Fun with freezing stuff here
@BYU
- acetone cobbles on the shore of a nitrogen lake! at -210 C (63 K), acetone is frozen, while nitrogen is comfortably liquid. Maybe a scene from a time gone by on Triton or Pluto?
@BYU_Science
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The longest channels in the solar system are on Venus. But there's no water - are they from exotic lavas? Sulfur, carbonitite, komatiite... Tracy Gregg
#LPI50
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Bringing
@BYUgeology
students out into the field to see an old lake of lava in central Utah - priceless!!
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SR-71 Blackbird flew high enough (80K ft) it could see downtown LA from over Tucson. And it *cruised* at over Mach 3. (from a church talk - I sat up and paid attention...)
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I caved! I bought a 4.1 billion year old piece of lava from Mars. :) 0.42g of Shergottite found in northwest Africa. NWA 6963, Top Meteorite.
#meteorite
#Spacefest
#SpacefestIX
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About to give a colloquium at the UW astronomy dept! With my Pele necklace and everything!
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Holding a torch for
@MarsRovers
in the dust storm! Meanwhile, here's an image processed by
@JPMajor
of the dunes in Endurance Crater from the ground by Opportunity - beautiful! Note the larger gravels in the interdunes, we see that on Earth too.
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New season of How the Universe Works - 9 - drops today! Episodes on Black Holes and Comets up now on
@discoveryplus
! Tonight on
@ScienceChannel
@Pioneer_Prod
#HTUW
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What's better than camping out in the Utah/ Nevada/ Cali desert for a week looking at lava flows and tubes for a Moon mission? Not much!
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Jupiter up close and personal - absolute beauty, and amazing right angles to the cloud structures! Processed by Gerald Eichstädt / Seán Doran
@_TheSeaning
from
@NASAJuno
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Night viewing is crazy, but it also helps to see these fountains in the day, for better perspective and depth. That forward spatter!! 😍 (and a "woo!" from Bryce)
#icelanderuption
#iceland
@iceland
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Ok, now it's out in public I can tell the story - Jim Karner and I went looking for pieces of the Utah meteor that fell last week, and after walking 13 miles we came up empty. But we did run into collector Sonny Clary with this gorgeous find!
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Home run gift by hubs - a mounted pic I took of the Iceland lavs flows this summer! Merry Christmas ❤🌲
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Mud volcanoes remind us that it doesn't matter what is coming out of the ground, it will make familiar shapes.
#SaltonSea
#mudvolcano
#volcanism
#HTUW
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