By Michael Brooks
Technology begins to get attention-grabbing while issues dont make feel. Michael Brooks unearths 13 anomalies that defy the medical conception of this present day and forecast tomorrows breakthroughs.
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Extra resources for 13 Things That Don't Make Sense: The Most Intriguing Scientific Mysteries of Our Time
You always thought the next point would fall,” she says. ” Eventually, though, she got it. By 1970 Rubin had mapped out the rotation curve for Andromeda; the star velocities remained the same however far out she looked. With the velocities of the stars remaining high at the edge, centrifugal forces should be throwing Andromeda’s outer stars off into deep space. By rights, Andromeda should be falling apart. Unless, that is, it is surrounded by a halo of dark matter. NO one knows what the dark matter actually is.
The supernova light suggested that the universe’s expansion was slowing down: the gravitational pull of the universe’s contents was decelerating the cosmos and setting Omega to somewhere around 1. But it was a controversial finding. 3. Had everyone underestimated the amount of dark matter? It seemed unlikely; by this time various different methods for determining the mass of galaxies were in use, and each showed there was significantly more gravitating matter than we could see, and each gave approximately the same numbers.
When Albert Einstein showed that mass and energy were like two sides of the same coin, that one could be converted into the other using the recipe E= mc2, he unwittingly laid the foundations for what is now widely regarded as the most embarrassing problem in physics. Dark energy is scientists’ name for the ghostly essence that is making the fabric of the universe expand ever faster, creating ever more empty space between galaxies. Use Einstein’s equation for converting energy to mass, and you’ll discover that dark energy is actually 70 percent of the mass (after Einstein, we should really call it mass-energy) in the cosmos.