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| The ____________ ratio was predicted by the Big Bang theory and helps establish the rate of expansion for the universe. |
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| _______________ (2 words) is how bright a star appears when viewed from Earth. |
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| ______________________ (2 words) includes the 4 main sub categories of Geology, Astronomy, Oceanography, and Meteorology. |
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| The concept that the more distant an object is in space, the farther in its past we are observing its light is called _____________________ |
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| ________________ is the use of the senses to gather and record information. |
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| The ____________________ states the universe is both infinitely large and eternal, and space is neither expanding nor contracting. |
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| The ______________________ (2 words) diagram shows the relationship between a stars brightness and its temperature. |
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| The branch of astronomy devoted to the study of the physical characteristics and composition of objects in the sky is called ____________________ |
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| The _____________________ (2 words) are composed of liquid and frozen gases and orbit outside the asteroid belt. |
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| A statement about what happens in nature that seems to be true 100% of the time is called a ___________________ (2 words required). |
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| A term used to describe objects believed to be fuzzy patches of luminous gas and dust ________________ |
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| A ______________________ gets several thousand times brighter in a few days, and then fades to its original brightness over several months. |
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| _____________________ (2 words) includes all fields of natural science related to the planet we live on. |
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| ____________________ may include the use of sight, hearing, or touch. |
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| Answers sought by this field include; How did the Universe begin? When did it begin? Where did it come from? and How will it end? _______________________________ |
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| A _________________________ is 100 to 1000 times the size of the sun. |
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| The science that deals with the earth's physical structure and substance, its history, and the processes that act on it is called _______________. |
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| A _________________ is what a scientist believes is most likely true. |
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