The Size of the Universe in the Hubble Ultra Deep Field P...

Facts About the Hubble Ultra Deep Field > Summary > Hubble Ultra Deep Field (UDF) photograph
The technical details followed by Chet Raymo's summary of how the photo demonstrates just how incredibly vast is our Cosmos.

 If Seeing the Stars was a Rarity

If the Stars Only Came Out One Night in 1,000 Years > Similarity > If We Only Saw the Stars One Night Every 100 Years
Emerson and Carson both imagine a world where the stars are not something perpetually overhead, where humanity would not take them so easily for granted.