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White Sands

All articles tagged with #white sands

space19 days ago•16 min saved

Captured V-2 Camera’s 1946 Flight Gave Earth Its First View from Space

In 1946, a captured German V-2 rocket carrying a 35mm DeVry camera reached about 105 kilometers over White Sands, producing the first photographs of Earth from space. The grainy frames showed Earth's curvature and horizon against black sky, predating any formal boundary for space—the Kármán line—by decades. The camera survived the mission, while the rocket and many of its builders did not, and the achievement is often credited to Clyde Holliday and the Johns Hopkins APL team who adapted gear meant for other uses to peer into the upper atmosphere.

via Space Daily|

#earth-from-space #karman-line #space

science4 months ago•20 min saved

Ancient footprints push back North America's peopling to the Ice Age

Archaeologists at White Sands, New Mexico, have dated footprints to about 20,700–22,400 years ago (during the Last Glacial Maximum), strengthening the case that humans reached North America well before the Clovis-first model. Radiocarbon dating of seeds, pollen, and the mud found with the prints across three labs all converge on the same timeline, prompting a reevaluation of migration routes and lifeways, though the absence of durable artifacts remains a puzzle. The study was published in Science Advances.

via Earth.com|

#clovis-first #footprints #last-glacial-maximum

science6 months ago•0 min saved

Ancient Human Footprints Reveal Early Transport Innovations in New Mexico

Archaeologists in White Sands, NM, have discovered 22,000-year-old human footprints and drag marks that may represent the earliest evidence of transport technology, possibly a primitive vehicle called a travois.

via Baltimore Sun|

#archaeology #prehistoric #science

science1 year ago•3 min saved

New Dating Confirms Humans in North America Over 23,000 Years Ago

New research confirms that the oldest human footprints in North America, dating back over 20,000 years at White Sands, exist without any accompanying cultural artifacts, raising questions about early human presence and activity in the continent before the Clovis culture.

via IFLScience|

#ancient-footprints #archaeology #north-america

archaeology2 years ago•3 min saved

Ancient Footprints Unearthed in North America, Dating Back 20,000+ Years

A new study using a different dating method has confirmed that fossilized human footprints found in White Sands, New Mexico are at least 21,000 years old, pushing back the timeline of human presence in North America during the Last Glacial Maximum. The study used radiocarbon dating of conifer pollen, which provided statistically identical ages to the original seed dating. Additionally, optically stimulated luminescence dating of quartz grains further supported the radiocarbon results. The footprints, which include those of a female and a toddler, suggest a division of labor among early humans, with teenagers and children responsible for "fetching and carrying" tasks.

via Good News Network|

#archaeology #fossilized-footprints #last-glacial-maximum

archaeology2 years ago•2 min saved

Ancient Footprints in White Sands Reveal 20,000-Year-Old Human Presence

Researchers have dated ancient human footprints found in White Sands National Park, New Mexico, to at least 20,000 years ago, challenging the previous belief that humans arrived in the Americas around 14,000 years ago. Some scientists were skeptical of the footprints' age and the dating methods used. However, new evidence, including radiocarbon dating of pollen grains and optically stimulated luminescence dating of sediment, supports the original date of the footprints. The data strongly indicate human presence in the Americas around 20,000 years ago, but some experts still require further evidence to accept the footprints' age.

via Business Insider|

#americas #ancient #archaeology