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A SIMPLE WAY TO WRITE NUMBERS WITHOUT WRITING A GREAT MANY ZEROS. |
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WITHIN THE UNIVERSE THAT IS 100 TIMES WIDER THAN THE PRECEDING PICTURE. IT HAS INCREASED IN SIZE BY A FACTOR OF 100. |
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CONSISTS OF THE SUN, ITS FAMILY OF PLANETS, AND SOME SMALLER BODIES, SUCH AS MOONS, ASTEROIDS, AND COMETS. |
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SMALL, NONLUMINOUS BODY THAT SHINES BY REFLECTING SUNGLIGHT. |
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A SELF-LUMINOUS BALL OF HOT GAS THAT GENERATES ITS OWN ENERGY. |
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THE AVERAGE DISTANCE FROM EARTH TO THE SUN. |
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THE DISTANCE THAT LIGHT TRAVELS IN 1 YEAR. |
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A GREAT CLOUD OF STARS, GAS, AND DUST BOUND TOGETHER BY THE COMBINED GRAVITY OF ALL THE MATTER. |
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A GREAT CLOUDY BAND OF STARS RINGING THE SKY. |
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OUR GALAXY CONTAINS OVER 100 BILLION STARS WINDING OUTWARD THROUGH THE DISK. |
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THESE ARE LINKED TO FORM LONG FILAMENTS AND WALLS OUTLINING VOIDS THAT SEEM NEARLY EMPTY OF GALAXIES. THESE ARE THE LARGEST STRUCTURE IN THE UNIVERSE. |
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