Articles related to "Redshift"

Edwin Hubble along with his assistant Milton Humason made the observations of distant galaxy redshifts that showed the expansion of the universe.

Vesto M. Slipher was the first astronomer to measure the spectrum of an external galaxy. His work led to Hubble's discovery that the universe is expanding.

How do astronomers see black holes? Less paradoxical than it appears but still extraordinary, telescope teams around the world are uncovering the heart of the Milky Way.

A gamma-ray burst with a redshift of 8.2 becomes the earliest and most distant object ever discovered.

Hubble discovered the expansion of the universe, but De Sitter, Friedman, & Lemaitre used Einstein's general relativity to predict the expanding universe & the big bang.

People are fascinated by extremes, such as those statistics put out by the Guinness Book of World Records. But what would be on a list in a book of Universe Records?

The Great Square of Pegasus dominates fall evenings. Learn the stars and deep-sky objects found in the Winged Horse.

Dimensions provide the backdrop through which the universe operates. Spacial and temporal dimensions provide the backdrop to reality.

Until the Mt Palomar 200" telescope, Mt Wilson's Hooker 100" and the 60" were the world's largest telescopes, allowing Edwin Hubble to discover the expanding universe.