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Hey use triangulation method refer book of +1
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How is trignometry used in astonomy?
Two separate photos or observations of a planet or star may show the apparent position to change in relation to the background stars. This is called parallax. Astronomers translate this into an angular measure with the observer being the vertex of the angle. Then with trig you can calculate the distance to the object.
How does trignometry used in life?
How tall is something that is too high to measure.
How did early man calculate time?
they used the position of the sun and at night the position of the stars
What effects doe lengthening the distance from the observer have on parallax?
The parallax should get smaller and harder to notice although in astronomy there are techniques used to find the parallax of stars by using the Earth's position around the sun to find the distance of the stars.
What was used to take bearing from the sun or stars to plot the ships position on a map?
plot the ships position
What was used to take bearing from the sun or stars to plot the ship's position on a map?
plot the ships position
How do star charts help?
Star Charts were traditionaly used in naval navigation, where the only point of reference you had to the rest of the world were the stars. You could therefore find your position by comparing the stars you see in the skies to the star charts.
How do you know the time using stars?
Look at the position of the stars. See what degree they are at and you'll know the time. That's how ships used to navigate. The position of the stars will allow a knowledgable observer to tell the time. The observable stars depends on location and time of the year.
What are 3 devises used to measure angle?
one of them is called trignometry, one is a protractor and the other is a good question...
What instrument is used to help locate a position by using stars and their degree from the horizon?
An Astrolabe.
Used to to take bearings from the sun or stars to plot the ships position on a map?
quadrant
What was used to take the bearings from the sun or stars to plot the ships position on a map?
a quadrant
