These are older, but I was cleaning up the desktop...
Flight Through the Universe
From the APOD description: "Every spot in the video is a galaxy containing billions of stars." This bears repeating: all the numerous spots you see aren't stars.
In case you feel very small and alone after that, Neil deGrasse Tyson has some words of comfort for you. It's essentially Carl Sagan's "we are star stuff" expanded, but very well said. I've linked to Phil's page because I like his acknowledgement of Neil's eloquence.
btw, that eloquence is occasionally evident in Neil's tweets:
"As retired Shuttles majestically grace our cityscapes, we shed a silent tear, not for the end of an era but for the absence of a new one."
...although his Twitter account is usually filled with funny:
If someone committed a crime in outer space who would have jurisdiction? // The law firm of Smith & Wesson.
I'm told somebody's jumping out of a perfectly good balloon from 23-miles up. The theory of gravity no longer needs to be tested in this way.
How To Get Rich: If you fail to convince your friends that the world won't end in 2012, then offer to relieve them of their needless wealth.