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how bright a star appears when viewed from Earth. |
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the 4 main sub categories of Geology, Astronomy, Oceanography, and Meteorology. |
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the use of the senses to gather and record information. |
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was predicted by the Big Bang theory and helps establish the rate of expansion for the universe. |
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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 |
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the universe is both infinitely large and eternal, and space is neither expanding nor contracting. |
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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 |
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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 |
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used to describe objects believed to be fuzzy patches of luminous gas and dust |
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gets several thousand times brighter in a few days, and then fades to its original brightness over several months. |
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includes all fields of natural science related to the planet we live on. |
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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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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 |
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what a scientist believes is most likely true |
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exploring the fundamental questions, including the nature of concepts like being, existence and reality. |
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A pair of stars that are bound together by gravity |
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The continuous flow of charged particles released from the upper atmosphere of the Sun |
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other galaxies outside our own galaxy. |
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A suggested, testable answer to a well-defined scientific question |
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the amount of light that a star actually emits |
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the branch of geology that studies the materials, structure, and surface features of the earth and the geologic processes that form them. |
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a light source that is moving away from the observer. |
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makes things easier to visualize and understand. |
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This radiation is left over from an early stage of the universe like a distant flash from the Big Bang itself. |
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very large, cool, bright star. |
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Mercury, Venus, Earth, and Mars are made of rock and dust |
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the validity of a given hypothesis. |
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When plotted on a graph that compares surface temperature to brightness, most stars with average mass, lie within a narrow band which crosses the graph diagonally from lower right to upper left |
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the sun and planets condensed out of a large rotating cloud of dust and gas. |
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something that is too complex, difficult or dangerous to observe or test directly. |
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Faster expansion of the universe would have produced more matter |
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the color of the longest wavelength |
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The branch of Geology that tries to reconstruct the geologic events of Earth's past |
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The amount by which you look into the past is equal to the distance to the galaxy measured |
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this star brightens and then fades in a regular repeating pattern over time. |
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first proposed and supported by Einstein. |
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A large cloud of gas and dust in space |
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This is the “Effect” in a cause and effect relationship. |
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Stars with very high mass expand into a supernova |
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the studies of the composition, processes and phenomena of the atmosphere. |
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controlled and changed by the experimenter in order to see how it effects other factors. |
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The distance a beam of light would cover in 1 year |
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The science that includes everything from the composition and movements of sea water to the plants and animals that live in it. |
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always in numeric (number) form. |
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The current theory of how our solar system formed |
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Recorded observations or items of information |
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orbit around a mutual fixed point in space called the center of mass. |
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A formation of stars, like Orion or The Big Dipper |
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The science that studies celestial objects, space, and the physical universe outside of our planet. |
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responds to changes in another factor. |
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used to measure distances to things that are relatively close. Large distances are measured in parsecs. |
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primary focus is forecasting the weather. |
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describe actions, color, textures, and other traits not easily measured. |
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The properties of dark matter, dark energy, black holes and worm holes |
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could affect the results of an experiment. |
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