On Venus It Snows Metal
In May Adamski had a private audience with Queen Juliana of the Netherlands to discuss his claimed UFO experiences, which caused some controversy in the Netherlands. However, numerous investigations of the contactee movement revealed many flaws and inaccuracies in the contactees' claims that led most researchers to conclude that their stories were hoaxes.
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Moseley , conducted extensive investigations into the claims and backgrounds of Adamski, Williamson, and other contactees, and concluded that they were either con artists or simply not being truthful in their stories and claims. From Wikipedia, the free encyclopedia. Not to be confused with Venetians. Pirates of Venus Cmv ed. Astronomical locations in fiction.
Venusians Earthlings Martians Jovians Neptunians. Index of ufology articles. List of reported UFO sightings Sightings in outer space. Tulli Papyrus possibly 15th century B. Ezekiel's Wheel circa — B. Conventions Fiction Religions list. List of scientific skeptics Committee for Skeptical Inquiry.
Arachnoid Atmosphere Dune fields Features. Geodynamics Geology Surface features Venus snow Venusquake. Venus-crosser asteroid VE Colonization Inspiration Mars flyby Terraforming. Geological mapping of Venus Artificial objects on Venus. Retrieved from " https: All articles with dead external links Articles with dead external links from January Articles with permanently dead external links Articles containing Latin-language text.
In a surprising discovery, Magellan found that radio-wave probes gave different impressions of Venus depending on the elevation of the area being examined.
Researcher studies possibility of metal snow on Venus
The highlands of Venus generally brightened with elevation, meaning they reflected radio waves well, although there were dark spots at the highest locations. Both these radio-bright and radio-dark areas have defied explanation for more than 20 years. One possible explanation depends on temparature differences on Venus: The planet's highlands are colder than its lowlands, just like on Earth.
The cooler temperatures might lead to frost on Venus that looks radio-bright due to all the radio waves it reflects, just as snow on Earth reflects light and looks bright white in visible light. Since Venus is so hot, however, any frost on the planet could not be composed of frozen water. One possibility is that the frost is made of metallic compounds, such as coloradoite which itself consists of mercury and tellurium and tellurobismuthite which is made of bismuth and tellurium. These would stay radio-bright regardless of elevation.
Another possible explanation involvs a kind of crystal in which the positive and negative electric charges are separated, making one side of the crystal positive and the opposite side negative.
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The properties of such crystals, known as ferroelectric materials, depend on temperature. Prior research suggested these crystals would increase in radar brightness with elevation until they reached a certain temperature, after which point they would drop precipitously in radar brightness at the highest elevations, Harrington said. It would be a mineral present in the surface rock," Harrington told Space.
Planet Venus is often likened to Earth but with a runaway greenhouse problem. The 2nd planet from the sun is hot shrouded with deadly clouds. Now test your knowledge of Venus facts. Start the Quiz 0 of 10 questions complete Planet Venus: To solve the mystery of the radio-bright and radio-dark spots on Venus , Harrington and Allan Treiman, of the Lunar and Planetary Institute in Houston, revisited Magellan data.
'Heavy metal' snow on Venus is lead sulfide | The Source | Washington University in St. Louis
Instead of lower-resolution radar altimetry, the researchers used recently available stereo radar elevation data from Magellan provided by geophysicist Robert Herrick at the University of Alaska at Fairbanks. This improved the resolution from patches about 5 by 7. The investigators also used data from Magellan's synthetic aperture radar to look at reflected radio waves. The scientists re-examined two areas in the Ovda Regio highlands region of Venus.
The scientists confirmed the same pattern of radar reflections brightening with increasing elevation found by previous researchers, with radar reflection low at an elevation of 7, feet 2, m and rapidly brightening up to 14, feet 4, m.