My mother was a big fan of Advent calendars. I remember them as a child and I remember helping mom with one her last Christmas season. She would have loved this Hubble Space Telescope Advent calendar.

Every day, for the next 25 days, a new photo will be revealed here from the Hubble Space Telescope, some old and some new.

Hubble Space Telescope Advent Calendar 2009 – The Big Picture – Boston.com

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