Question

What were the matter density and the equivalent mass density of the cosmic radiation field when...

What were the matter density and the equivalent mass density of the cosmic radiation field when the universe was one-thousandth of its present size? assume critical density, and don't forget the cosmological redshift.

Chapter 17. problem 8p

Science   Advanced-Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Another explanation for the Universe it the Steady State Hypothesis. The Steady State Hypothesis says that...
Another explanation for the Universe it the Steady State Hypothesis. The Steady State Hypothesis says that the Universe has always existed and is infinite in extent. Which of the following support the Big Bang Theory and which support the Steady State Model. (Select B-Big Bang Theory, S-Steady State Model, If the first is B and the rest S, enter BSSSSS).   A) Observing that galaxies at very large distances look identical to those in the nearby universe. B) The measurement of...
11/ imagine that you have obtained spectra for several galaxies and have measured the redshift of...
11/ imagine that you have obtained spectra for several galaxies and have measured the redshift of each one to determine its speed away from us. Here are your results: Galaxy 1: recession velocity is 15000 km/s Galaxy 2: recession velocity is 20000 km/s Galaxy 3: recession velocity is 25000 km/s Estimate the distance to each galaxy from Hubble’s Law. Assume that H0 = 22km/s/Mlyr A/ The distances are as follows: Galaxy 1: 0.00147 Mlyr Galaxy 2: 0.000110 Mlyr Galaxy 3:...
3/ which of the following stellar properties is the most fundamental to a star’s main-sequence and...
3/ which of the following stellar properties is the most fundamental to a star’s main-sequence and post-main sequence life? A/ temperature B/ mass C/ luminosity D/ radius 4/ Stars Moppit and Boppit orbit each other as members of a binary star system. Their period of rotation about their combined centre of mass is 10 years. The semi-major axis of Boppit’s orbit around the centre of mass is 15.25 AU. What is the combined mass of Moppit and Boppit? A/ Mmoppit...
What tools could AA leaders have used to increase their awareness of internal and external issues?...
What tools could AA leaders have used to increase their awareness of internal and external issues? ???ALASKA AIRLINES: NAVIGATING CHANGE In the autumn of 2007, Alaska Airlines executives adjourned at the end of a long and stressful day in the midst of a multi-day strategic planning session. Most headed outside to relax, unwind and enjoy a bonfire on the shore of Semiahmoo Spit, outside the meeting venue in Blaine, a seaport town in northwest Washington state. Meanwhile, several members of...
Actually a HISTORY question: what tactics does Einhard use to portray Charlemagne in "Life of Charlemagne"...
Actually a HISTORY question: what tactics does Einhard use to portray Charlemagne in "Life of Charlemagne" and what tactics does Procipius use to describe Justinian in a positive light in the "Nika Riots"? Ive posted both excerpts. "Life of Charlemagne" Charles the Great, (Charlemagne in French) reigned 768-814 as king of the Franks and the most important ruler of the Carolingian Dynasty, conquering lands in what is now Germany, France, Spain, and Italy. On Christmas Day 800 C.E., Pope Leo...
What role could the governance of ethics have played if it had been in existence in...
What role could the governance of ethics have played if it had been in existence in the organization? Assess the leadership of Enron from an ethical perspective. THE FALL OF ENRON: A STAKEHOLDER FAILURE Once upon a time, there was a gleaming headquarters office tower in Houston, with a giant tilted "£"' in front, slowly revolving in the Texas sun. The Enron Corporation, which once ranked among the top Fortune 500 companies, collapsed in 2001 under a mountain of debt...
1) What are some indicators that there are assignable causes for variation in a process? I.Process...
1) What are some indicators that there are assignable causes for variation in a process? I.Process capability. II. Data patters outside of the control limits. III. Data patters within the control limits. IV. Points randomly falling above and below the control chart center line. a. II and III b. II, III, IV c. I, II, IV d. I, II, III, IV 2) The best quantitative tool to determine the cause for variation in a process is: a. ANOVA b. Correllation...
Please summarize the below article in approximately 100 words: Monumental function in British Neolithic burial practices...
Please summarize the below article in approximately 100 words: Monumental function in British Neolithic burial practices Ian Kinnes The high-risk rate of survival for the non-megalithic series of Neolithic funerary monuments, recently re-emphasized by Piggott (1973: 34), introduces a further variable into the deductive study of burial practices. In Britain and Europe the overall distribution of monumental forms present both lacunae and a marked preponderance of cairns over earthen mounds which are in ill accord with the known or predicted...
Please read the article and answear about questions. Determining the Value of the Business After you...
Please read the article and answear about questions. Determining the Value of the Business After you have completed a thorough and exacting investigation, you need to analyze all the infor- mation you have gathered. This is the time to consult with your business, financial, and legal advis- ers to arrive at an estimate of the value of the business. Outside advisers are impartial and are more likely to see the bad things about the business than are you. You should...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT