From Earth to the Solar System: Shark Bay

Records of Ancient Life: For about 85% of the history of life on Earth, only microbes existed. The only large-scale evidence of their activities is preserved by stromatolites, ancient structural records of life on Earth which hold evidence both of the biology of the microbial mat communities that created them, and the nature of the… Continue reading From Earth to the Solar System: Shark Bay


Blast from the past

In the good old summertime. Loyal B. Aldrich of the Smithsonian Astrophysical Observatory (1908-1955) and Astrophysicist Charles Greeley Abbot (fifth Secretary of the Smithsonian, 1928-1944) playing tennis behind the Smithsonian Institution Building, next to the Smithsonian Astrophysical Observatory in 1922. The National Air Museum Quonset Hut is in the background.

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