Purchase Solution

The Hertzsprung-Russel Diagram

Not what you're looking for?

Ask Custom Question

Describe the Hertzsprung-Russel diagram. How is it useful in classifying stars? Where do stars tend to cluster on the diagram? Where on the H-R diagram does a star spend most of its life?

Purchase this Solution
Solution Summary

The solution provides information, assistance and advise in tackling the task (see above) on the topic of the Hertzsprung-Russel diagram and its use in astrophysics. resources are listed for further exploration of the topic.

Solution Preview

Dear Student,
Hi and thank you for using Brainmass. The solution below should get you started. In this particular task, you are asking for help in discussing the H-R diagram. I suggest using this simple outline:

1. About HRD - 100 words
2. Use, star positions - 100 words

Be concise and to the point. You can use the listed resources to further explore the topic. Just let me know via the feedback section if you need further clarification. All the best with your studies.

Sincerely,
AE 105878/Xenia Jones

The Hertzsprung-Russel Diagram

There are a number of tools astronomers and astrophysicists use to study the universe and its properties from earth. To study the stars, one of the main tools many utilize is the Hertzsprung-Russel diagram (H-RD). According to the Australia Telescope National Facility or ATNF which operates under CSIRO (2014), the H-RD "originated in 1911 when the Danish astronomer, Ejnar Hertzsprung, plotted the absolute magnitude of stars against their colour (hence effective ...

Solution provided by:
Xenia Rochelle Jones, MA, PhD (IP)
Education
  • MPhil/PhD (IP), Open University, Milton Keynes, UK
  • MA, Open University, Milton Keynes, UK
  • Certificate, Geva Ulpan (via Universita Tel Aviv)
  • BA, University of the Philippines
Recent Feedback
  • "Thank you!:)"
  • "Excellent, thank you!:)"
  • "Thank you for your timely help. I have submitted another posting (656038) and assigned it directly to you. Please help."
  • "Thank you so much for your timely help. Much appreciated."
  • "Thanks so much for your support."
Purchase this Solution
Free BrainMass Quizzes
Environment of the Earth

This quiz will focus on an introduction to basic Earth Science vocabulary. This info is important for an understanding of the principles involved with the study of the environment of the Earth.

Basic Energy Quiz

This quiz will test your knowledge of basic energy related questions. It will improve your knowledge on units of measurement .

Environmental Laws

The quiz tests some basic US environmental laws and policies.

Gems, Fossils, and Space Rocks

Brief introduction to basic information related to gems, fossils, and space rocks. Great for introducing a science unit to students!

Basic Vocabulary - The Hydrosphere

This quiz reviews basic terms related to the Hydrosphere for Earth Science. Multiple choice is utilized to select the correct vocabulary word matched to the given definition.

View More Free Quizzes
Related BrainMass Solutions

  • Life of average stars and the H-R diagram

    239751 Life of average stars and the H-R diagram Describe the Hertzsprung-Russel diagram. Where on an H-R diagram does a star spend most of its life? The manner of your question is such that I cannot answer it without a couple provisos.

  • Hertzsprung-Russell diagram

    164846 Hertzsprung-Russell diagram In order to make a HR diagram of a globular cluster, which properties do you have to measure for each star of the cluster? The graph (see attached file problem 5) show the HR diagram of three real star clusters.

  • basic astronomy questions

    271120 Basic astronomy problems Four stars of different mass arrive on the Main Sequence of the Hertzsprung-Russell Diagram at the same time. Which star has a mass just about the same as the mass of the Sun?

  • The Life Span of a Star

    Astronomers will monitor the stars position and continue to plot and position as the star burns. Many refer to the H-R diagram as a "family portrait" for stars in our Solar System. References: Aspire (2012). Hertzsprung-Russell Diagram.

  • Sun formation, planet detection, galaxy history

    Answer to (p) The answer comes again from the Hertzsprung-Russell diagram and chemical content - the abundance of metals (example of a relevant web page: http://www.answers.com/topic/stellar-population).

  • Statistical Analysis Of Market Indexes

    E - Using the answers from parts (a), (b), and (d), calculate the expected return and standard deviation of a portfolio consisting of equal parts of (1) the S&P and the Russel 2000 and (2) THE S&P and the Nikkei. Discuss the two portfolios.

  • foreign exchange market anomalies

    exchange market anomalies Russel & Torbey (2002) provide different anomalies that the efficient market hypothesis does not fully explain and this includes seasonal changes in the market.

  • A plan sponsor should measure the portfolio manager's performance against what index?

    Thus the answer is Russel 2000 index The cited solution explains the answer for which index to use and why.

  • Investment Theory: Percentage Price Changes for Market Indexes

    A) Average monthly rate of return for each index B) Standard deviation for each index C) Covariance between the rates of return for the following indexes: DJIA-S&P S&P 500-Russel 2000 S&P 500-Nikkei Russell 2000-Nikkei D) The correlation coefficients

View More Related Solutions