Vesto Melvin Slipher (/ˈslaɪfər/; November 11, 1875 – November 8, 1969) was an American astronomer who performed the first measurements of radial velocities...

Slipher may refer to: Earl C. Slipher (1883–1964), American astronomer Vesto Slipher (1875–1969), American astronomer 1766 Slipher, main-belt asteroid...

Carl Slipher (/ˈslaɪfər/; March 25, 1883 – August 7, 1964) was an American astronomer and politician. He was the brother of astronomer Vesto Slipher. He...

true nature of galaxies was confirmed in the early 20th century by Vesto Slipher, Edwin Hubble, and others. Edwin Hubble discovered that most nebulae...

in 1912, Vesto Slipher discovered that most spiral galaxies, then mostly thought to be spiral nebulae, had considerable redshifts. Slipher first reports...

egg" (emergent Universe) scenarios started being developed. In 1913, Vesto Slipher published his observations that light from remote galaxies was redshifted...

which were earlier measured and related to velocity by Vesto Slipher in 1917. Combining Slipher's velocities with Henrietta Swan Leavitt's intergalactic...

spectrum of the nebula associated with the star Merope in the Pleiades, Vesto Slipher concluded in 1912 that the source of its light is most likely the star...

the universe is expanding. A decade before, the American astronomer Vesto Slipher had provided the first evidence that the light from many of these nebulae...

huge number of external galaxies beyond the Milky Way; then, work by Vesto Slipher and others showed that the universe is expanding. These advances made...

The asteroid was named after American astronomers Vesto Slipher and his brother Earl C. Slipher. Slipher is member of the mid-sized Padua family (507), an...

Catalogue of Galaxy Redshifts: [ ] by Vesto Slipher (1917) First Catalogue of Galaxy Redshifts: Nebulae by Vesto Slipher Interactive Map of the Visible Universe...

1910s, Vesto Slipher and later, Carl Wilhelm Wirtz, determined that most spiral nebulae (now called spiral galaxies) were receding from Earth. Slipher used...

Angeles, California) Earl C. Slipher – astronomer, Mayor of Flagstaff (originally from Mulberry, Indiana) Vesto Slipher – astronomer (originally from...

The sodium layer was first discovered in 1929 by American astronomer Vesto Slipher. In 1939 the British-American geophysicist Sydney Chapman proposed a...

correlation of galactic brightness to redshift) by American astronomers Vesto Slipher and Edwin Hubble, the astrophysicist and priest Georges Lemaître interpreted...

4 July 1054, and probably also by Japanese observers. In 1913, when Vesto Slipher registered his spectroscopy study of the sky, the Crab Nebula was again...

(published in 1918). Further spectroscopic studies by astronomers including Vesto Slipher, Milton Humason, and Nicholas Mayall noted the presence of unusual emission...

model, this acceleration becomes dominant in the future. In 1912–1914, Vesto M. Slipher discovered that light from remote galaxies was redshifted, a phenomenon...

beyond the Milky Way, and the Milky Way as a galaxy proper. 1922 – Vesto Slipher summarizes his findings on the spiral nebulae's systematic redshifts...

Slipher is a lunar impact crater, that is located in the northern latitudes on the far side of the Moon. The crater overlies the southwestern outer rim...

and similar "spiral nebulae" as star systems being formed. In 1912, Vesto Slipher used spectroscopy to measure the radial velocity of Andromeda with respect...

Wegener: Continental drift 1912: Max von Laue: x-ray diffraction 1912: Vesto Slipher: galactic redshifts 1912: Henrietta Swan Leavitt: Cepheid variable period-luminosity...

the red shift or blue shift of its spectrum. The American astronomer Vesto Slipher made a series of such measurements from 1902 to 1904 and discovered...

of a redshift-distance correlation for spiral galaxies. As already Vesto Slipher in 1912, Wirtz in 1918 observed a systematic redshift of spiral nebulae...

Seyfert galaxies were first detected in 1908 by Edward A. Fath and Vesto Slipher, who were using the Lick Observatory to look at the spectra of astronomical...

phenomenon of the Doppler effect. Observers of spiral nebulae such as Vesto Slipher observed that these objects (now known to be separate galaxies) generally...

observations in the 1900s gave the first clues about the Venusian rotation. Vesto Slipher tried to measure the Doppler shift of light from Venus, but found he...

towards the red end of the spectrum than a stationary line. In 1913 Vesto Slipher determined the Andromeda Galaxy was blueshifted, meaning it was moving...

structure of the universe and from theoretical considerations. In 1912, Vesto Slipher measured the first Doppler shift of a "spiral nebula" (spiral nebula...