Answer to Question #104719 in Astronomy | Astrophysics for Nikhil

Question #104719

If the temperature of the background radiation today is 3 K, at what time after the birth of
the universe was the temperature 1015 K. Take the age of the universe as 15×109
years.

Expert's answer

Use this equation

"T=\\frac{10^{10}}{\\sqrt{t}}"

"t=10^{-10} s"

Learn more about our help with Assignments: Astronomy

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. How long will a 5 M star burn hydrogen as fuel, given that the Sun will do so for about 1010 year
2. An electron is moving with a speed of 0.97c in a magnetic field of strength 10^8 G. Calculate th
3. What is the evidence given in support of an evolving universe?
4. What happens and why: When limb mesoderm is grafted under the ectoderm in any region of an early em
5. If the temperature of the background radiation today is 3k, at what time after the birth of the univ
6. show the horizontal coordinate of a star X on a celestial sphere for a location at latitude 60° N.
7. why x-ray telesscope kept beyond the earth;s atmosphere? which telescope optical or x-ray would have

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…