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| FROM THE 17TH CENETURY ONWARD, ASTRONOMERS MADE MORE AND MORE ACCURATE MEASUREMENTS OF THIS TYPE, ESPECIALLY ON RARE OCCASIONS CALLED |
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Definition
SCIENTISTS REALIZED THAT THESE ___WERE REALTED TO THE PRESENCES OF VARIOUS TYPES OF ATOMS IN THE SUN'S ATMOSPHERE, A WINDOW FINALLY OPENED TO REAL UNDESTANDING OF THE SUN
S NATURE. |
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Definition
| THE SMALLEST UNIT OF A CHEMICAL ELEMENT, CONSISTING OF A NUCLEUS CONTAINING PROTONS AND NEUTRONS PLUS A SURROUNDING CLUD OF ELECTRONS |
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Definition
| THE CENTRAL CORE OF ATOM CONTAINING PROTONS AND NEUTRONS THAT CARRIES A NET POSITIVE CHARGE |
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Definition
| A POSITIVELY CHARGE ATOMIC PARTICLE CONTAINED IN THE NUCLEUS OF AN ATOM. THE NUCLEUS OF A HYDROGEN ATOM |
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Definition
| AN ATOMIC PARTICLE WITH NO CHARGE AND ABOUT HE SAME MASS AS A PROTON |
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Definition
| LOW MASS ATOMIC PARTICLE CARRYIN A NEGATIVE CHARGE |
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Term
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Definition
| TWO OR MORE ATOMS BONDED TOGETHER |
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Definition
| ENERGY STORED IN A MATERIAL AS AGITATION AMONG ITS PARTICLES |
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Definition
| A MEASURE OF THE AGITATION AMONG THE ATOMS AND MOLECULES OF A MATERIAL, THE INTENSITY OF HEAT. |
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Definition
| THE THEORETICAL LOWEST POSSIBLE TEMPERATURE AT WHICH A MATERIAL CONTAINS NO EXTRACTABLE HEAT ENERGY. ZERO ON THE KELVIN TEMPERATURE SCALE. |
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Term
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Definition
| THE THEORETICAL LOWEST POSSIBLE TEMPERATURE AT WHICH A MATERIAL CONTAINS NO EXTRACTABLE HEAT ENERGY. ZERO ON THE KELVIN TEMPERATURE SCALE. |
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Term
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Definition
| A UNIT OF DIANTANCE EQUAL TO 1000 pc OR 3260 ly |
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