On Sunday November 23, 1924, 100 years ago this month, readers perusing page six of the New York Times would have found an ...
The city organized more than 80 volunteers to help out with the check-ups.
At his campaign rallies, Trump regularly recounted, in great detail, what it was like to watch live footage of a SpaceX ...
Henrietta Swan Leavitt. In 1893, a young Leavitt was hired as a “computer” to analyse images from telescope observations at Harvard College Observatory, Massachusetts. Leavitt studied ...
Henrietta Swan Leavitt . Edwin Hubble made his discovery at the Mount Wilson Observatory in California. Edwin Powell Hubble Papers / The Huntington , Author provided (no reuse) Measuring distances ...
The star HV 2112 was first cataloged as a variable star in 1908 by astronomer Henrietta Swan Leavitt. At the time, astronomers thought it was a red supergiant that was dying and about to go supernova.