Holdings from the library at the Goddard Space Flight Center, which includes unique documents from the early 20th century to ...
The U.S. Department of Justice filed a lawsuit this week against Virginia, alleging the state unlawfully grants in-state ...
Beloved characters entering the public domain with the new year include Blondie, Dagwood, Dick and Jane and Nancy Drew, but ...
All of the top-10 books borrowed through the public library app Libby were written by women. And Kristin Hannah's The Women ...
Astronomy on MSN
What is the origin of the letters used in star classification?
What is the origin of the letters used in star classification? Why didn't astronomers use ABCD? J. HaldimanChicago, Illinois Stellar spectral types originally followed alphabetical order. But as ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback