When I visited the Racetrack Playa as an undergrad, the mechanism was still a mystery - we were taught that it probably required ice, might need strong winter storms as well, so observation might be unsafe or even impossible! Apparently not. 3/3 https://t.co/pVFXAsTVBO
Sliding rocks on Racetrack Playa, Death Valley National Park: first observation of rocks in motion.
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Jan 2019 – Oct 2025Where it's discussed
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What people are saying
Discussions highlight fascination with the discovery, mentioning that the rocks move only every few years and referencing detailed scientific sources like the 2014 publication, showing deep engagement. However, some skepticism about how the movement was directly observed indicates varying levels of impact perception, as some users question the methodology or clarify the scientific consensus.
Most discussions support the validity of the research, with some questioning the claims based on how the observations are categorized (direct vs. indirect).
There is a high level of curiosity and interest, reflected in comments referencing the rocks’ movement, explanations, and the fascination shared by those who experienced the phenomenon firsthand.
Participants demonstrate thoughtful engagement, mentioning methods, past beliefs, and scientific publications, showing more than superficial acknowledgment.
While some discussions note the scientific significance, general reactions suggest the discovery influences understanding but may not be universally perceived as transformative.
Abstract in brief
- The first direct observation of moving rocks at Racetrack Playa was achieved using GPS devices, photography, and weather data, confirming that some rocks traveled up to 224 meters between December 2013 and January 2014.
- The study challenges previous ideas that strong winds or thick ice could move the rocks, showing instead that the process occurs when thin ice sheets melt in the sun, break up, and are pushed by light winds.
- During this process, floating ice panels push the rocks slowly across the surface, driven by the wind direction and water flow underneath, explaining the trail marks observed since the 1940s.]
Top posts
Most liked on X and BlueskyImágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLoS ONE 9(8): e105948. https://t.co/brnPqVLbvJ
@Dr_TheHistories This is untrue (I guess depending on how "directly observed" is defined: do stationary cameras count?). As I can't find Richard D. Norris & James M. Norris on Twitter, I believe that @BrianDunning might have more to add to this. https://t.co/19UmYShJNj https://t.co/RpU25XN1ch
@ScienceNelson Scientific paper here: https://t.co/AuGMvMPhzN
Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLoS ONE 9(8): e105948.
@babel_main 一次資料見つけたので貼っておく。 https://t.co/mw4rtwCmad
All mentions
Understanding the Science Behind Moving Rocks at Racetrack Playa
The first direct observation of moving rocks at Racetrack Playa was achieved using GPS devices, photography, and weather data, confirming that some rocks traveled up to 224 meters between December 2013 and January 2014…
Movements of Giant Rocks in Death Valley Confirmed by Science
The video explains how giant rocks in California's desert, weighing up to 300kg, move on their own. Scientific research using GPS and weather data revealed that thin ice sheets melt and are pushed by light winds…
Scientific Explanation of Sliding Rocks in Death Valley's Racetrack Playa
The first direct observation of moving rocks at Racetrack Playa was achieved using GPS devices, photography, and weather data, confirming that some rocks traveled up to 224 meters between December 2013 and January 2014…
Moving Rocks in Death Valley Revealed by Direct Observation
The first direct observation of moving rocks at Racetrack Playa was achieved using GPS devices, photography, and weather data, confirming that some rocks traveled up to 224 meters between December 2013 and January 2014…
Understanding the Science Behind Moving Rocks in Death Valley
The science behind moving boulders in Death Valley's Racetrack Playa involves rare conditions where thin ice sheets melt and fracture, forming natural sails that push rocks up to 700 pounds. GPS and weather data confirm…
Understanding the Moving Stones Phenomenon at Racetrack Playa
Discover the science behind the mysterious moving rocks in Death Valley. Using GPS, photography, and weather data, researchers confirmed rocks travel up to 224 meters when thin ice melts and breaks apart, allowing ice…
Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLoS ONE 9(8): e105948.
Las trazas miden de 3 a 30 m de longitud y de 8 a 30 cm de anchura. Su profundidad media es 2,5 cm. El tamaño medio de las rocas oscila entre 15 y 45 cm, con masas hasta 20 kg. Se mueven sólo cada dos o tres años.
Las trazas miden de 3 a 30 m de longitud y de 8 a 30 cm de anchura. Su profundidad media es 2,5 cm. El tamaño medio de las rocas oscila entre 15 y 45 cm, con masas hasta 20 kg. Se mueven sólo cada dos o tres años.
Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLoS ONE 9(8): e105948.
Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLoS ONE 9(8): e105948.
Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLoS ONE 9(8): e105948.
This is untrue (I guess is depends on how "directly observed" is defined: do stationary cameras count?). As I can't find Richard D. Norris & James M. Norris on Twitter, I believe that @BrianDunning might have more to add to this. https://t.co/19UmYShJNj https://t.co/RpU25XN1ch https://t.co/yJobsle2x4
@Dr_TheHistories This is untrue (I guess depending on how "directly observed" is defined: do stationary cameras count?). As I can't find Richard D. Norris & James M. Norris on Twitter, I believe that @BrianDunning might have more to add to this. https://t.co/19UmYShJNj https://t.co/RpU25XN1ch
@sergioa94679493 There’s literally a Wikipedia page on it. And published research, it’s not some hidden mystery or supernatural event. https://t.co/dNtihf8YHV
RT @IGeociencias: Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley…
RT @IGeociencias: Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley…
Imágenes y vídeo Norris RD, Norris JM, Lorenz RD, Ray J, Jackson B (2014) Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLoS ONE 9(8): e105948. https://t.co/brnPqVLbvJ
@frozenaesthetic Do Racetrack Playa in Death Valley next. No one knew how the rocks moved until this article was published in 2014 https://t.co/vmn2etDAmh
@babel_main 一次資料見つけたので貼っておく。 https://t.co/mw4rtwCmad
RT @huedaya: Sumber: - https://t.co/zy3fwh6QZ8 - https://t.co/Li9O09EvYm - https://t.co/WOvya3HWpr - https://t.co/kAvegkSS3O
RT @huedaya: Sumber: - https://t.co/zy3fwh6QZ8 - https://t.co/Li9O09EvYm - https://t.co/WOvya3HWpr - https://t.co/kAvegkSS3O
#TIL that the “sailing stones” in Death Valley move in very short 15 minute bursts due to a very specific combination of rain, freezing temperatures and wind. https://t.co/yKRgwcuOSb
Sumber: - https://t.co/zy3fwh6QZ8 - https://t.co/Li9O09EvYm - https://t.co/WOvya3HWpr - https://t.co/kAvegkSS3O
When I visited the Racetrack Playa as an undergrad, the mechanism was still a mystery - we were taught that it probably required ice, might need strong winter storms as well, so observation might be unsafe or even impossible! Apparently not. 3/3 https://t.co/pVFXAsTVBO
@UnZibens @EZPZisback https://t.co/vmn2etUDoh
Some more detail on those sliding stones https://t.co/xnhGvDMFYA published in 2014 in https://t.co/MKb8gcIDrr
@ScienceNelson Scientific paper here: https://t.co/AuGMvMPhzN