- Spitzer Science Center: Spitzer Spots Stellar Snowflake on the 'Christmas Tree Cluster', December 22, 2005
- Center for Astrophysics: A Holiday Gift from Space: Spitzer Photographs Christmas Tree Cluster, December 22, 2005
- University of Arizona: Spitzer Unveils Infant Stars in the Christmas Tree Cluster, December 16, 2005
- O portal do astrónomo: Enxame Flocos de Neve em NGC 2264, December 23, 2005