Search results "COSMOS survey"

Finding Dark Galaxies

One of the great mysteries of our universe is whether there are dark matter galaxies, devoid of stars, haunting the universe. From the COSMOS survey, we know that dark matter and visible matter are not always located in the same place. This implies that there may be galaxies out there made entirely out of dark […]

Gravitational Lenses: Making the invisible detectable

Astronomers on Earth are limited in how they can look at the universe. We basically have three tools. We can detect light across a broad spectrum of colors. We can capture high energy particles – cosmic rays – that are flung at us from distant events. We can also potentially measure gravity waves (but we’re […]

AAS219: Austin, TX

I’m currently at the 219th meeting of the American Astronomical Society in Austin, TX. I’m here for just two days, and due to meetings, my coverage may be somewhat limited, but I’m going to do what I can to cover press conferences. The last couple meetings I’ve been at, I’ve found myself tweeting and not […]