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December 20, 2012
- NASA Puts Orion Backup Parachutes to the Test
- NASA Puts Orion Backup Parachutes to the Test
- ROSES-12 Amendment 30: Final text for Appendix A.36, Eco Forcasting
- City Lights of Australia, or Not
- A Cosmic Holiday Ornament, Hubble-Style
- APOD: 2012 December 20 – M33: Triangulum Galaxy
- Cassini Significant Events 12/12/2012 – 12/18/2012