Examlex
If the temperature of the CMB changes with redshift z as T = T0(1 + z), and the recombination happened when the universe was about 1,000 times smaller than at the present time, what was the temperature at the time the universe became transparent to photons?
Exhaustive Exclusions
A principle where all possible alternatives or options are considered and then systematically rejected or excluded until a conclusion is reached.
Consistent Principle
A rule or concept that does not contradict itself and is coherent with other principles within the same theoretical framework.
Pentagonal
Having five angles and five sides; specifically referring to geometrical shapes.
Round
Characterizes an object with a circular shape or a process of rounding numbers to a specified degree of accuracy.
Q11: Competency as a result of training or
Q24: Of all four muons produced at 15
Q28: Scientists think that neutrinos cannot be the
Q38: At what fraction of the speed
Q49: A galaxy is measured to have a
Q72: Which of these lists shows the correct
Q82: According to the figure below, the maximum
Q83: As a star evolves through its post-main-sequence
Q94: What does the word "intelligent" mean, with
Q97: Describe the known properties of dark matter,