Size, scale, and time - part 1

Let's start off with the largest picture ever taken:

http://www.scoopwhoop.com/news/wow-nasa/

http://www.nasa.gov/content/goddard/hubble-s-high-definition-panoramic-view-of-the-andromeda-galaxy/#.VMDlZSvF-Sr

http://hubblesite.org/newscenter/archive/releases/2015/02

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For future reference:

http://skymaps.com/

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On the size of things:

http://scaleofuniverse.com/


http://xkcd.com/482/


On the timeliness of things:

http://xkcd.com/1331/


Watch this:

https://www.youtube.com/watch?v=8yCzzTkDSMo

Before next class, have a look at another Jack Horkheimer clip or two.  And if you have time, also look into some recent astronomy-related video featuring Brian Cox and Neil deGrasse Tyson.