Topic: The Distance to Stars Can Be Determined from
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Answers to Common Questions
How cepheid variable stars used to determine distance?
These stars have been used to calculate the distance to most galaxies in which a cepheid is present. Read More »
Source: http://wiki.answers.com/Q/How_cepheid_variable_stars_used_to_dete...
What is used to determine the distance to nearby stars?
They use trigonometry to determine the distance to nearby stars. They measure the star's positions at one point in time, and again six months later, calibrating against the backdrop of the far distant stars. The nearby stars will show a par... Read More »
Source: http://wiki.answers.com/Q/What_is_used_to_determine_the_distance_...
How do scientists determine distances of stars?
Parallax is an apparent displacement or difference of orientation of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines. [1] [2] The term is derived from th... Read More »
Source: http://wiki.answers.com/Q/How_do_scientists_determine_distances_o...
More Common Questions
Answers to Other Common Questions
Take a picture of the sky (at night of course). Six months later take another picture of the same piece of sky. Compare the two picture. Now; most of the objects are so far away that they seem "fixed", but the nearer ones will appear to hav...
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Source: http://wiki.answers.com/Q/How_is_parallax_used_to_determine_a_dis...
For the same reason that distant objects don't move much when you do while you are looking at them. If distant objects don't move enough to measure accurately, then you can't perform any calculations on how far away they are. We observe thi...
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Source: http://wiki.answers.com/Q/Why_is_parallax_useless_in_determining_...
If a thunderstorm seems eminent, there is a way to estimate the distance of the storm. This is due the fact that light travels faster than sound, thus the lighting is seen well before the lightning is heard. If the lightning strikes and thu...
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Source: http://www.ehow.com/how_2074036_determine-distance-thunderstorm.h...
Calculating distances is important when planning a trip. Knowing how long it will take to arrive at your destination is just as important in planning your excursion as packing, and helps you plan your schedule once you arrive. Determining d...
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Source: http://www.ehow.com/how_6391230_determine-distances.html
Hold the edge of the ruler or paper against the map, lining it between point A and point B. Mark the ruler with your pencil next to each point. Find the legend. It is usually in the bottom right-hand corner of the map. Line up the first mar...
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Source: http://www.ehow.com/how_5933122_determine-distance-map.html?ref=T...
Calculating distances to the stars is a very complex procedure, normally undertaken only by professional astronomers with cutting-edge instruments. Even the most accurate star-distance measurements are only very good approximations. However...
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Source: http://www.ehow.com/how_6122545_calculate-distances-stars.html
Learn how the distance between attacker dictates defense when defending an attack with a rifle or shotgun with your bare hands this free self defense video from our martial arts expert Tess Tew.
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Source: http://www.ehow.com/video_2368236_how-attacker-distance-determine...
