HAD

In this column from the AAS Historical Astronomy Division, Ken Rumstay writes about the giant refractor at the Exposition Universelle of 1900.

In this column from the AAS Historical Astronomy Division, Ken Rumstay writes about the astronomical exhibits at the Great Paris Exposition of 1900.

In this column from the AAS Historical Astronomy Division, Michael E. Marotta writes about the discovery of the 21-cm emissions of interstellar hydrogen.

In this column from the AAS Historical Astronomy Division, Michael E. Marotta writes about Gerard Kuiper’s discovery of Uranus’s moon, Miranda.

In this column from the AAS Historical Astronomy Division, Michael E. Marotta writes about the discovery of white dwarf stars.

In this column from the AAS Historical Astronomy Division, Stephen P. Maran writes about the 50th anniversary of the extravehicular activity (EVA; “space walk”) to photograph a comet from space.

In this column from the AAS Historical Astronomy Division, Kristine Larsen writes about Pioneer 10’s exploration of Jupiter.

In this column from the AAS Historical Astronomy Division, Mike Marotta writes about Messier 51, the Whirlpool Galaxy.

The latest recipient of the AAS Historical Astronomy Division's Doggett Prize has made many contributions to the field of the history of astronomy.

In this column from the AAS Historical Astronomy Division, Steven J. Hussman writes about the work of Elizabeth ”Pat” Roemer.