Langley was the founder of the Smithsonian Astrophysical Observatory.

The Smithsonian Astrophysical Observatory well illustrates the benefits of diversity.

From 1956 to 1959, he served as a senior astronomer at the Smithsonian Astrophysical Observatory.

In 1895, he would start working as an aid at the Smithsonian Astrophysical Observatory.

His post-doctoral work was performed at the Smithsonian Astrophysical Observatory.

In 2001 he moved to the Smithsonian Astrophysical Observatory as a Clay Fellow.

Last week, five amateurs received awards from the Smithsonian Astrophysical Observatory for their discoveries of comets in the past year.

It was published by the Smithsonian Astrophysical Observatory in 1966 and contains 258,997 stars.

At the time, he was working for the Smithsonian Astrophysical Observatory in Cambridge.

All unclassified observations were shared with the Smithsonian Astrophysical Observatory.