Tag: sweden

Rare Double Meteorite Strike

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Around 470 Million years ago, two asteroids collided in the asteroid belt between the planets Mars and Jupiter.  This sent fragments everywhere, and millions of years later these fragments moved into the inner solar system, many of which struck the Earth as meteorites.  Recently, in Jämtland county, Sweden, a team of geophysicists has identified a pair of impact craters that were formed at the same time, likely from two separate impactors.  One of the craters is a massive 7.5 Km across, while the other is smaller at 700 meters.  This is the first time a double impactor has been scientifically confirmed on Earth....

DNA Survives a Trip into Earth’s Atmosphere

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Panspermia. Look it up.  It sounds more like science fiction than science fact, but imagine the implications.  It is the idea that life is everywhere, and is seeded throughout the universe by comets, asteroids, meteors, rogue planets, and even spacecraft, by way of unintended contamination of microbes.  It could also explain why there is life on Earth. Because we still know so little about the Universe around us, panspermia is considered a plausible scenario.  To test parts of this theory, a team from the University of Zurich’s Institute of Anatomy used small pipettes to actually place double stranded DNA on the outside of...