. On this day in 1875 – November 11th – American astronomer Vesto Slipher was born in Mulberry, Indiana.
Slipher was director of the Lowell Observatory in Arizona, and the first to discover the redshift of galaxies when he obtained their spectra and measured their radial velocities. This laid the foundation for the work that Edwin Hubble's work on the expansion of the Universe.
We take forum safety very seriously here at BellaOnline. Please be sure to read through our Forum Guidelines. Let us know if you have any questions or comments!
Privacy
This forum uses cookies to ensure smooth navigation from page to page of a thread. If you choose to register and provide your email, that email is solely used to get your password to you and updates on any topics you choose to watch. Nothing else. Ask with any questions!