Beyond the Solar System: Exploring Galaxies, Black Holes, by Mary Kay Carson

By Mary Kay Carson

Winner of:
NSTA-CBC amazing technological know-how exchange Books for college kids K-12 for 2014 list

Humans have gazed into the evening sky for hundreds of thousands of years and puzzled, What are these twinkling lighting? although the sunlight, moon, and planets moved around the heritage of stars, the celebrities themselves seemed immovable, eternally fastened in constellations. in simple terms whilst astronomers started taking a better glance did somebody become aware of what a desirable, ever-changing universe lies past our sun system—red big and white dwarf stars, spiral galaxies, wispy nebulae, black holes, and masses more.

In Beyond the sunlight System, writer Mary Kay Carson strains the evolution of humankind’s astronomical wisdom, from the belief that we aren't on the middle of the universe to fresh telescopic evidence of planets orbiting stars open air our sun method. as well as its enticing historical past, this ebook comprises 21 hands-on initiatives to additional discover the topics mentioned. Readers will construct a three-d illustration of the constellation Orion, version the warping of space-time because of a black gap, see how the universe expands utilizing an inflating balloon, and build a reflecting telescope out of a make-up replicate and a magnifying glass. Beyond the sun System additionally contains minibiographies of recognized astronomers, a time line of significant medical discoveries, a prompt interpreting record, a word list of technical phrases, and an inventory of sites for additional exploration.

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Additional info for Beyond the Solar System: Exploring Galaxies, Black Holes, Alien Planets, and More; A History with 21 Activities

Sample text

Here are some easy-to-find measurements: Big Dipper: 5° between two “pouring edge” stars, 20° from end to end Polaris: 30° from North Star to closest star in Big Dipper For smaller distances, such as those between stars, you’ve already got a “handy” tool for estimating degrees: your hand can be used as a protractor of sorts. With your arm outstretched, the distance in degrees from the tip of your pinky to tip of your thumb is about 20°, the width of your fist is about 10°, three fingers across is about 5°, and a pinky is about 1° thick.

And to Einstein, something hidden is something begging to be discovered. This deep curiosity was what made Einstein one of the greatest scientists of all time. Science, for Einstein, was a way to understand the mysteries and wonders of the natural world. He wasn’t like most scientists, who studied one topic within a single subject, such as chemistry or biology. Einstein wanted to answer fundamental science questions, such as: What is light? What is gravity? What is time? What is energy? Laboratory experiments couldn’t really answer them.

On the other end of the tube was the objective lens. It was convex, or curved outward. This combination of lenses magnified well, but had what’s called a very small field of view. Using a Galilean telescope, you’d only be able to look at a quarter of the moon at one time. Johannes Kepler fixed this by designing a telescope with both a convex objective lens and an eyepiece lens. His telescope flipped things upside down, making it not so great as a spyglass. But it had a larger field of view. Statue of Isaac Newton in the chapel of Trinity College, Cambridge.

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