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Tag Archives: underground

Finding challenges leads to a rethinking of the icy moon's underground ocean – ScienceDaily

A familiar ingredient has been hiding on the surface of Jupiter's moon Europa. Using visible-light spectral analysis, Caltech's planetary scientists and the Jet Propulsion Laboratory, which manages Caltech for NASA, have discovered that the yellow color visible on parts of the surface of Europe is actually sodium chloride, a compound found in the US Earth Is Known As Table Salt …

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This 4-inch antenna lets you send text from deep underground

Unlike radio waves used for radio broadcasts, radar and navigation systems, wavelengths of VLF radiation can travel thousands of miles across the horizon and hundreds of meters through the ground and water. This is not the first time that VLF radiation has been used to break physical barriers. However, the new antenna is much smaller and could be used to …

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The underground communities take over Centralia, Pennsylvania

Centralia, Pennsylvania, was once a prosperous city largely supported by the coal industry. In 1962, a garbage fire near a disused mine mine ignited the remainder of the 25 million tonne coal seams below the city. Year after year, the fire spread, releasing harmful gas, opening sinkholes and ultimately making the city uninhabitable – at least for humans. In the …

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Why does Enceladus have an underground ocean? New research shows differences between Saturn's moons

New answers to secrets about Saturn's moons could shed light on Enceladus's ability to support life, researchers say. Researchers now know, for example, why Enceladus harbors a hidden ocean, while many of his siblings do not. Saturn not only has extraordinary rings, but also more than 60 moons. The size of these natural satellites ranges from tiny lunar stars that …

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Scientists see evidence of an underground lake system on Mars

BERLIN (AP) – Scientists say images of craters taken by European and American space probes show that there was probably a planetary system of underground lakes on Mars. Data collected by NASA and ESA probes orbiting the red planet According to a study by researchers from Italy and the Netherlands published in the Journal of Geophysical Research [Journal of Geophysical …

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The school apologizes for teaching at Underground Railroad

As part of the Black History Month, students in grades three to five attended Madison's Trust Elementary in Brambleton for an underground activity that forced them to overcome a physical barrier, the school district said. These were groups of students pretending to be runaway slaves as they moved through an obstacle course that represented the subway, according to the Loudoun …

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Iran unveils a rocket and shows an underground factory

DUBAI (Reuters) – The Iranian Revolutionary Guards have inaugurated a surface-to-surface ballistic missile with a range of 1,000 km (621 miles). The semi-official Fars news agency reported Thursday and ignored the demands of the Western state that Tehran should discontinue its recruitment missile program. Fars published images of an underground rocket factory called "Underground City". The "Dezful" rocket is a …

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Scientists identify a huge underground ecosystem with billions of microorganisms science

Earth is far livelier than previously thought, according to Deep Life studies, which show a rich ecosystem under our feet that is almost twice that of all oceans in the world. Despite Extreme Heat No light, minute diet and intense pressure, scientists estimate that this subterranean biosphere teems with 15 to 23 billion tons of microorganisms, hundreds of times the …

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