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Luminosity , in astronomy , the amount of light emitted by an object in a unit of time. The luminosity of the Sun is 3. Astronomers usually refer to the luminosity of an object in terms of solar luminosities, with one solar luminosity being equal to the luminosity of the Sun. The most luminous stars emit several million solar luminosities. The most luminous supernovae shine with 10 17 solar luminosities. The dim brown dwarfs have luminosities a few millionths that of the Sun.
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Work out with a fresh set of games each day to keep you challenged. Detailed progress tracking helps maintain your brain training habit. Lumosity takes scientifically-validated tasks and turns them into fun games, actionable feedback, and rich insights into your cognition. Processing Speed. Problem Solving. Lumosity targets the skills that matter to you most. No matter your age or skill level, Lumosity knows that all brains are different, and our program adapts to your unique strengths and weaknesses. I used to think I was awful at maths but it turns out I am not too shabby after all! Get Started.
Begin with a free minute Fit Test to set your baseline scores and see how you compare with others your age. We take common cognitive and neuropsychological tasks, or create entirely new, experimental challenges. Working with experienced designers, we transform these tasks into games and puzzles that challenge core cognitive skills. We give qualified researchers free access to Lumosity training and tools, helping them investigate new areas in cognition. We invite you to train with us and join in our mission to advance the understanding of human cognition.