1. Which trial had the greatest distances?
Trial 3 had the greatest distances. 2. Which distances increased the most? The distance between E to M increased the most. 2. How does this exercise prove Hubble's theory that the universe is expanding because all galaxies are moving away from Earth? This exercise proves Hubble’s theory because as the balloon grew larger the points on the balloon moved away in the same way that as the universe grows larger the galaxies move away creating an expanding universe. 3. Did you expect the results you found? Why or why not? I expected the results I found because I knew that as the balloon expanded the dots would move farther apart. When there is writing on balloons and they pop the writing shrinks.
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1) How does the amount of parallax change as the distance to the object increases?
The shift or degree is smaller when the object is far away and larger when the object is closer. 2) Using your graph, estimate the distance to an object if it’s parallax is 30 degrees. Using our results, the object would be around 4cm away. 3) What effect will increasing the baseline distance have on the amount of observed parallax? Increasing the baseline distance also increases the distance that can be measured.Having a larger baseline allows astronomers to calculate the distance between more stars. 4) Is it an advantage to have a long or short baseline distance when using the parallax method to estimate the distance to very faraway objects? If the baseline is longer, more degrees will be visible and the answer will be more accurate. 5) What is the maximum, baseline distance used for measuring the parallax of stars? To measure distances from Earth to stars, the longest possible baseline is the diameter of Earth’s orbit. Conclusion: Parallax is the apparent displacement of an object because of a change in the observer’s point of view. Astronomers use parallax to measure the distance of nearby stars. To do this they measure a star’s position once, and then again six months later. As the Earth orbits the sun, nearby stars will appear to move against the more distant background stars and astronomers can use this effect to calculate a star’s distance from the Earth. Luna was an ancient ruler of Doglandia, a majestic place filled with dogs and no Pre-Calculus 12. For many centuries, Luna governed Doglandia with grace and eloquence never doing graphing a day in her life. Doglandia was a magical place, and the Spice Girls played every night before all the dogs went to bed. Luna ensured that food scarcity was never a problem, and all the Dogs has an unlimited supply of snacks. As Luna’s age began to show, her beloved daughter Nova vowed to uphold her ten commandments:
1) Never do math 2) Always ensure ice cream is available 3) Worship the Spice Girls 4) Never steal other dog’s dog toys 5) Never befriend guinea pigs 6) Always tell others they are a good boy/girl 7) Always chew shoes you come across 8) Bark at strange things 9) Never litter and always respect the environment 10) Try your best in everything you do To honour her mother, and everything she did for Doglandia, Nova gave the biggest honour in all of Doglandia; she made her a constellation. |
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