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 ...

Krzysztof Bolejko receives funding from The University of Sydney. He is affiliated with Sydney Institute for Astronomy. There are so many galaxies in the universe that if you point a telescope in any ...

The Doppler effect is an observed change in pitch (how high or low a sound is) when either the source of the sound or the listener is in motion. Imagine a car, its horn blaring, approaching you as you ...

While quantum physics continues to raise new questions(Opens in a new window) concerning Einstein's theory of general relativity(Opens in a new window), a recent ...

Though many people may hear “Doppler Radar” as tool for tracking weather systems, it is used for much more and has roots in science dating back generations. The Doppler Effect, as it is known, is also ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. You're sitting at a café, enjoying the recent balmy weather with an iced coffee. But ruining your ...

While quantum physics continues to raise new questions(Opens in a new window) concerning Einstein's theory of general relativity(Opens in a new window), a recent ...