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Fireball streak in the sky in NJ, neighboring states

A fireball was seen in the sky in New Jersey and several other northeastern states on Sunday night. The fireball moved from east to west with its visible flight ending somewhere near Poughkeepsie, New York just after 7:20 pm, according to the American Meteorological Association. AMS said there were more than 210 reports of fireball from New Jersey, New York, …

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What makes the sand soft? – The New York Times

What is the softest sand in the world? Why are some sand softer than others? – Peter S., Brooklyn, NY We do not know. No one understands how sand works. That sounds ridiculous, but it’s true. Understanding the flow of granular materials such as sand is a major unresolved problem in physics. If you build an hourglass and fill it …

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The new map presents and explains the locations of impact of meteorites and asteroids around the world

Physical map of Serra da Cangalha, Brazil, the impact structure, created using a digital elevation model of the TanDEM-X mission. Image Providers: Gottwald, Kenkmann, Reimold: Terrestrial Impact Structures, TanDEM-X atlas, Verlag Dr. Friedrich Pfeil Professor Dr. Thomas Kenkmann, geologist from Freiburg University’s Institute of Earth Science and Environment, along with mineralogist Professor Dr. Wolf Uwe Reimold from the University of …

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Solve equations of general relativity for colliding black holes

Still from an inspired animation of a binary black hole with a volume ratio of 128: 1 shows the beginning of the final burst of gravity waves. Credit: Carlos Lousto, James Healy, RIT The black hole counterparts’ final dance is not equal Rochester Institute of Technology scientists first performed a large mass ratio simulation black hole merged on Frontera. Solving …

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This bacterium survived outside the space station for a damn year

One year in space is no walk in the park. Just ask Scott Kelly, the American astronaut spent a year on the International Space Station (ISS) in 2015. His long stay in space changed his DNA, telomeres and gut microbiota, he lost bone density and three months later he still had leg pain. But a whole different thing is that …

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Spaceship design inspired by NASA “Space 1999”

If you haven’t seen “Space 1999”, we recommend that you watch it before reading further. For those of you already there, let’s explore the reasons behind some of its spaceship designs. RELATED: THE CONCEPT OF A NEW Kernel Engine CAN BE ACHIEVED IN 3 MONTHS How is a spaceship designed? Before we start trying to give a brief overview of …

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Planetary scientists have discovered more about the atmosphere of exoplanet K2-141b

The alien planets, the mysterious worlds in the Milky Way orbiting stars outside of our solar system, come in all sizes and flavors, from diamond-capable planets to planets with toxic iron rain. So far, NASA has identified more than 4,000 of these distant exotic destinations through a variety of methods, some of which are extremely Earth-like and potentially life-supporting. On …

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There may be 300 million (or more) Earth-like planets in our Galaxy

The first planets discovered outside of our solar system were alien, alien worlds. These are giants like Jupiter, hotter than Venus, ripping off their suns within Mercury’s orbit. Since then, astronomers have discovered planets with winds of 10,000 miles per hour swept up in metallic storm clouds that create molten iron rain. The variety of extremes is seductive, and also …

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Climate change can make ancient human beings go extinct

Some of our close relatives, homo sapiens, have been walking on this Earth ever since chi Homo evolved over 2 million years ago. These hominins live in diverse and challenging habitats. Some have even crossed paths and crossbreeds. Although many people may have reached important technological and cognitive milestones, such as controlling fire, developing stone tools or making clothing, today …

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