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Science Tag

 Image Credit: NASA, JPL, Caltech Explanation: Why is 'Oumuamua differing from its expected trajectory? Last year, 1I/2017 U1 'Oumuamua became the first known asteroid from interstellar space to pass through our Solar System. Just over a year ago, this tumbling interstellar rock even passed rather close to the Earth. The asteroid's future path should have been easy to predict given standard gravity

LL Ori and the Orion Nebula  Image Credit: NASA, ESA, and The Hubble Heritage TeamExplanation: Stars can make waves in the Orion Nebula's sea of gas and dust. This esthetic close-up of cosmic clouds and stellar winds features LL Orionis, interacting with the Orion Nebula flow. Adrift in Orion's stellar nursery and still in its formative years, variable star LL Orionis produces a wind more energetic than the

A Lecture I attended a last year! Found the video by the Geological Society of London! Copied Video's Description: Why Earth developed into the crucible of life, and Venus into a hostile wasteland https://www.youtube.com/watch?v=o5FrCUQrFjs The present-day differences in the expression and intensity of volcanism on the planets of the inner solar system serves a testament to the

  In the world of theoretical computer science, P vs. NP is something of a mythical unicorn. It's become notorious, since it remains an unsolved problem. It basically asks this: If it is easy to check that a solution to a problem is correct, is it also easy to solve that problem? Get back

1) What is a mineral? A mineral is a naturally occurring inorganic crystalline substance, whose compositions are either fixed or vary between certain fixed limits. This excludes, for example, artificial diamonds, coal, volcanic glass. What makes each mineral unique is a combination of its chemical composition and the internal arrangement of its constituent atoms. The

Venus and the Triple Ultraviolet Sun Image Credit: NASA/SDO & the AIA, EVE, and HMI teams; Digital Composition: Peter L. Dove (http://www.flickr.com/photos/pldove/) Explanation: An unusual type of solar eclipse occurred in 2012. Usually, it is the Earth's Moon that eclipses the Sun. That year, most unusually, the planet Venus took a turn. Like a solar

Physical Properties of the Earth The Earth is an oblate spheroid, being slightly flattened at the poles: Equatorial radius = 6378 km Polar radius = 6357 km These measurements are calculated on the assumption that the Earth's surface is smooth, but this is only an approximation since it disregards mountains and ocean depths. However, the difference between