How Do You Know if a Star Is Red Shifted?

In the same way, we detect xo planets by seeing that they are tugging on the stars and causing these weird dopler patters in the stars. If you get a regular pattern of that, you can deduce it as a binary star system. It's pretty cool, yet becae, everything just looks like white pin points, but there's a ton of information. Like ho, look at the different frequencies. Rit at's another great example of how much information about incredible, mind blowing stuff is out there, literally washing over us every day, that we're mostly ignoring.