Redshift and blueshift are used by astronomers to work out how far an object is from Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

When astronomers stare into the deep universe or at the spectra of a distant star subtly hiding an exoplanet, they need to account for its movement. That relies on two phenomena — redshift and ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. The light you see, when you look out at the stars and galaxies that ...

There are several different kinds of redshift that we encounter in the universe. Those three are ‘gravitational’, ‘doppler‘ and ‘cosmological‘. Before looking at two examples, it is best to have a ...

In physics, like in life, there are often multiple solutions to a problem that will give you the same result. In our actual Universe, however, there's only one way that reality actually unfolds. The ...

Back in July, Data Warehouse vendor ParAccel announced it had a new investor: Amazon. Then yesterday, Amazon announced its new cloud Data Warehouse as a service offering: Redshift. And, none too ...