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Stars

A star is a large, hot ball of parallaxgasesconstellationlightSelect your answer. It gives off its own gaseslightorbitOrionSelect your answer. Scientists view stars from different points in Earth’s lightorbitconstellationOrionSelect your answer. When observed from two positions, the star appears to shift its location in a process called astronomersorbitparallaxconstellationSelect your answer. Scientists measure this shift to determine how farparallaxorbitlightSelect your answer the star is. A light-year is used by astronomersOrionEarthparallaxSelect your answer to specify distances in space. One light-year is approximately 9lightconstellationfarSelect your answer trillion kilometers. Light leaving Alpha Centauri will reach gasesOrionEarthorbitSelect your answer in 4.3 years. You can locate a star by looking for its orbitgasesconstellationEarthSelect your answer, or a number of stars that form a pattern. You would look for the constellation named 9OrionEarthparallaxSelect your answer to find the star Rigel.