Search Our Essay Database

Essay Instructions: Question 1 of 1:

Scientific Notation

Introduction:
Writing very large and very small numbers in scientific notation helps in expressing them in a concise form. Therefore, learning to write numbers in scientific notation is important.

Tasks:
Find an example from daily life that represents an extremely large or small number. An example of a very large number is 1 light year = 9.4605284 x 1012 kilometers or 0000 kilometers. Write it in scientific notation format as well as regular format. In addition, explain any other advantages of using scientific notation.

this might not take 2 pages but try your best. thank u for the help

Essay Instructions: I need an experience writer for this. Introduction to Astronomy...this paper should be about 3 to 4 double spaced pages and the writer should use this as a source: HORIZONS EXPLORING THE UNIVERSE 11th Edition by Michael A. Seeds and Dana E. Backman. If the writer or the essay company is unable to retrieve this book as a source I may ask for a refund and go to another writing service. This is Written Assignment 1 and should be 3 1/2 to 4 double spaced pages. The questions are listed below. Thank you.

This assignment has a series of four (4) questions that call for short essay answers. The questions are designed to help you determine your grasp of how astronomers use basic math skills in their work and how they measure astronomical distances. Use no more than one paragraph to complete each answer.

1. Answer the following questions regarding measurement and distance.

A. Why do scientists use the metric system of measurement instead of the English system of measurement? What is scientific notation and why is it useful? Include math examples for each part.

B. Why are some distances measured in light-years and some in astronomical units? Include a definition of each of these distance measurements.

C. Answer Review Questions 2 and 4, and Problems 2 and 4 on page 21a (Chapter 2) of the Seeds textbook. Include all computations for the problems.

2. Answer the following questions regarding magnitude.

A. Discuss stellar magnitude. Include in your answer the definition of the term and the difference between absolute and apparent magnitudes.

B. Relate how the magnitude scale was originally organized by Hipparchus and how today's astronomers have modified it.

3. Answer the following questions regarding models of the universe.

A. Compare the Ptolomaic and Copernican models of the universe. State the main tenet of each theory; how they are alike or different, what evidence each used to support the ideas, and how each explained the retrograde motion of the inner planets.

B. How did Tyco Brahe's model of the universe differ from that of Ptolemy or Copernicus? Explain the points of dispute.

4. Discuss how Newton's law of universal gravitation explained or clarified the orbital circular motion of planets. Consider Kepler's second and third laws to help you in your explanation.