Answer to Question 1
If the universe were infinite and unchanging, the night sky should be as bright as the Sun because every line of sight should eventually end up looking at the surface of a star somewhere, and the total of all this light would make for a uniformly bright sky. Yet clearly it becomes dark when the Sun sets and that is the paradox. The resolution to this is for the universe to be either finite or changing. In particular, if the universe had a beginning, we would only be able to see a finite number of starsthose that lie within our cosmological horizonand thus we can have a dark night sky.
Answer to Question 2
C
A very high-resolution texture of the Moon, including a normal map
Deconvolution fluorescence microscopy yields high-resolution optical sections th
Curry's paradox
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A high-resolution model of the 50S ribosomal subunit
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately