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Hace 3 días · Bright, celestial objects that give off their own light by using energy produced in their core.
Hace 3 días · Study with Quizlet and memorize flashcards containing terms like Suppose the angular separation of two stars is smaller than the angular resolution of your eyes. How will the stars appear to your eyes?, What do astronomers mean by light pollution?, What causes stars to twinkle? and more.
Hace 3 días · Examine the following figure, which demonstrates star trails that would be visible in a photo centered on the North Star (Polaris) when the camera's shutter is left open to reveal the path the stars are taking as they move during part of one night.
Study with Quizlet and memorize flashcards containing terms like Are the constellations seasonal?, The bright stars Vega, Deneb, and Altair form, If you face Polaris, the North Star, you are facing north and more.
Hace 3 días · Study with Quizlet and memorize flashcards containing terms like A star's luminosity is the A) apparent brightness of the star in our sky. B) surface temperature of the star. C) lifetime of the star. D) total amount of light that the star will radiate over its entire lifetime.
Hace 3 días · Time monitoring to track how an object's brightness varies with time. D. Imaging to get a picture of an astronomical objects. B. Filtering to look at just a single color from an object. Suppose you want to determine the chemical composition of a distant planet or star.
