![]() The authors acknowledge that they do not know for sure that there are any functioning extraterrestrial crafts near Earth. “As with biological seeds, the raw materials on the planet’s surface could also be used by them as nutrients for self-replication or simply scientific exploration.” “What would be the overarching purpose of the journey? In analogy with actual dandelion seeds, the probes could propagate the blueprint of their senders,” the authors write. It also speculates on the motive for aliens to send exploratory probes to Earth. The paper notes that the “probes” could use starlight to “charge their batteries” and the Earth’s water as fuel. It examines the physics of how the smaller craft could move through the Earth’s atmosphere to reach the surface, where they could be spotted by humans. The paper goes on to compare the probes to “dandelion seeds” that could be separated from the parent craft by the sun’s gravitational force. The paper explains that interstellar objects such as the cigar-shaped “Oumuamua” that scientists spotted flying through the galaxy in 2017 “could potentially be a parent craft that releases many small probes during its close passage to Earth.” But they add that his decision to attach his name to a theory considered in most academic circles to be highly unsubstantiated also raises questions about AARO’s credibility. ![]() Kirkpatrick’s involvement in the academic paper demonstrates that the Pentagon is open to scientific debate of the origins of UFOs, an important signal to send to the academic world, experts said. ![]() One section is titled: “The Extraterrestrial Possibility” and another “Propulsion Methods.” More than half of the five-page paper is devoted to discussing the possibility that the unexplained objects DoD is studying could be the “probes” in the mothership scenario, including most of the page-long introduction. The environmental impact of these items was gauged based on three measures: greenhouse gas emissions, emissions to the atmosphere that lead to acid rain and ion buildup in water, which can cause the development of undesired algae.After Loeb posted it online, the paper gained notoriety from a post on Military Times and has also circulated among science-focused news outlets. Masset and his team used a French dietary survey conducted in 20 to identify the 391 foods and beverages most commonly consumed in that country by more than 1,900 people between the ages of 18 and 79. The study was published in the Journal of the Academy of Nutrition and Dietetics. “Identifying foods more likely to be part of healthy and low-carbon diets could be an effective way to help consumers in their daily choices,” Masset told Reuters Health in an email. “The food system accounts for approximately one-third of global greenhouse gas emissions, and global obesity is on the rise,” said Gabriel Masset, lead author of the study and a research assistant at Aix-Marseille Universite in Marseille. For the first time, researchers aimed to compare the nutrient density, environmental impact and price of common foods. REUTERS/Carlo AllegriĬutting meat intake has been one recommended strategy for curbing greenhouse gas emissions linked to global warming. The remnants of a hot dog and aluminium foil are seen following a hot dog eating competition in New York, July 4, 2013.
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