Explain how the distance to a star cluster that contains Cepheid variables is determined.
Question:
Explain how the distance to a star cluster that contains Cepheid variables is determined.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 64% (14 reviews)
the intrinsic brightness of those variable stars is strong...View the full answer
Answered By
Anees Rehman
i studied a Telecommunication Engineering Specialization in wireless Endoscopy the trend and most popular
Biomedical application. I started teaching in 2017 and started it to teach Mathematics and Physics. I have 2 years of experience in field of Teaching. I learn from students because they have innovative mindset
rather then that i have 1 year of industry experience in Telecom sector, where i got the experience to handle base stations digitally.
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Sciences questions
-
Cepheid variable stars change in luminosity with a typical period of several days. The period has been found to have a definite relationship with the absolute luminosity of the star. How could these...
-
A certain telescope forms an image of part of a cluster of stars on a square silicon charge-coupled detector (CCD) chip 2.00 cm on each side. A star field is focused on the CCD chip when it is first...
-
A variable star is one whose brightness alternately increases and decreases. For the most visible variable star, Delta Cepheid, the time between periods of maximum brightness is 5.4 days, the average...
-
Prepare adjusting journal entries, as needed, considering the account balances excerpted from the unadjusted trial balance and the adjustment data. A. depreciation on buildings and equipment, $17,500...
-
A cost-volume-profit (CVP) graph (Figure P8.9) is a useful technique for showing relationships between costs, volume, and profits in an organization. Figure P8.9 (a) Identify the numbered components...
-
For the following exercises, follow the steps given above to work with the arithmetic sequence a n = 1/2 n+5 using a graphing calculator. Give two examples of arithmetic sequences whose 10 th terms...
-
Arbitrage Pricing Theory The returns on three equities, A, B and C, are given by the following: R A = 2.4% +0.5 F 1 R B = 4.6% +1.2 F 1 0.5 F 2 R C = 4.1% 0.4 F 1 +0.6 F 2 (a) Are the returns...
-
Hamilton Co. sells its only product for $50 per unit. Fixed expenses total $800,000 per year. Variable expenses are $1,000,000 when 40,000 units are sold. How many units must be sold to earn a net...
-
nework i Saved ! Required information Exercise 13-9 Analyzing risk and capital structure LO P3 [The following information applies to the questions displayed below.] Simon Company's year-end balance...
-
The diameter of a rivet (in mm) is a random variable with probability density function. a. What is the probability that the diameter is less than 12.5 mm? b. Find the mean diameter. c. Find the...
-
The greater the mass of a main-sequence star, the a. Younger it is b. Longer it will remain part of the main sequence c. Less hydrogen it contains d. Hotter it is
-
The main sequence on the H-R diagram includes a. The sun b. White dwarfs c. Giants d. Pulsars
-
Compare and contrast the ethical approaches of its legal, therefore, its ok and the ends justify the means. Are there similarities? Are there differences?
-
Imagine you have just retired after a long and very successful career (as a physiotherapist). Congratulations! You've made such an impact in the world that business and community leaders from around...
-
Discuss the Competitive Markets and Externalities simulations (both with and without policy interventions) . What impact do policy interventions have on the supply and demand equilibrium for a...
-
The best consultant to fix issue number one is Frederick Taylor who is credited with creating the scientific management movement (Lumen, n.d.). Since Taylor's work focused on how a process could be...
-
1. Which Pepsico products are growing faster than soft drinks (why) and by what percentage? 2. Why do the fastest growing products experience a more complex supply chain? Explain. 3. What are some of...
-
Use BLUF (Bottom Line UP Front) or Brief for answering the following questions: 1) There are a number of InfoSec frameworks / models available in industry. A. What is an InfoSec framework / model? B....
-
Write a BNF description of the Boolean expressions of Java, including the three operators &&, ||, and ! and the relational expressions.
-
A survey of 70 college freshmen asked whether students planned to take biology, chemistry, or physics during their first year. Use the diagram to answer each question. How many of the surveyed...
-
The stress acting on two planes at a point is indicated. Determine the shear stress on plane aa and the principal stresses at the point. 80 ksi 90 45 60 ksi i 60
-
The state of stress at a point in a member is shown on the element. Determine the stress components acting on the plane AB. 50 MPa 28 MPa 30 100 MPa
-
The grains of wood in the board make an angle of 20° with the horizontal as shown. Determine the normal and shear stress that act perpendicular and parallel to the grains if the board is...
-
21 W Company acquired a patent on January 1, Year 1 for $100,000. The patent had 15 years remaining on its legal life. The product under patent was expected to be marketable for 10 years from the...
-
Clayton received a $140,000 distribution from his 401(k) account this year. Assuming Clayton's marginal tax rate is 25 percent, what is the total amount of tax and penalty Shauna will be required to...
-
Regarding Enron, this was a company that resulted in the creation of the Sarbanes-Oxley Act and many reforms to the accounting profession. Research the company and answer the following...
Study smarter with the SolutionInn App