The currently accepted reasoning for why the cosmic background radiation is so uniform in temperature is because
A) this temperature uniformity was achieved in the moments before cosmic inflation.
B) as the universe has had time to cool, the hotter parts transferred their heat to the cooler regions.
C) microwaves can only function at a certain very limited range of temperature.
D) space is a vacuum and thus cannot retain heat very well.
Answer: A
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The king's chamber of the great pyramid is 10.43 meters long, 5.21 meters wide, and 5.82 meters high. What is the volume of the chamber in cubic feet?
A) 316 cubic feet B) 3,720 cubic feet C) 6,530 cubic feet D) 11,200 cubic feet E) 13,200 cubic feet
Write the Laplace equation for two-dimensional conduction heat transfer through a homogeneous, isotropic material that has constant thermal conductivity.
What will be an ideal response?
Why is it difficult to directly measure the size of a star's disk from Earth?
What will be an ideal response?
You measure the pressure of a tire in Atlanta, GA and find it to be 35 psi. If the tire is taken to Denver, CO (with no other changes made) the pressure will read lower in Denver than in Atlanta
a. True b. False Indicate whether the statement is true or false