Vesto Melvin Slipher is one of the key figures often overlooked in histories of modern cosmology. The recent conference I attended at the Lowell Observatory in Flagstaff to celebrate the 100th ...

Join us for “Origins of the Expanding Universe: 1912-1932,” a conference being held in Flagstaff in September 13-15, 2012. There’s only one week left to register! On September 17, 1912, Vesto Slipher ...

It was here, 100 years ago, that an obscure astronomer from Indiana, one Vesto Melvin Slipher (or V.M. as he preferred to be called), took the first spectra of distant spiral nebulae --spectra that ...

Cosmological redshift depends upon a galaxy's distance. Credit: NASA/JPL-Caltech/R. Hurt (Caltech-IPAC) In 1929 Edwin Hubble published the first solid evidence that the universe is expanding. Drawing ...

Lecturer in Astrophysics, Coordinator of Swinburne Astronomy Online, Swinburne University of Technology As 2012 comes to a close and you toast the New Year, be sure to also raise a glass to one Vesto ...

ONE OF the great surprises of 20th century science was the discovery that our universe is expanding. The finding caused a paradigm shift in cosmology and eventually led to today’s “Big Bang” model of ...

In 1929 Edwin Hubble published the first solid evidence that the universe is expanding. Drawing upon data from Vesto Slipher and Henrietta Leavitt, Hubble demonstrated a correlation between galactic ...