Just how powerful is the world's most powerful telescope? Let's start with the human eye. The human eye has an angular resolution of about 1 arcminute. That's pretty impressive. Take a circle ...

How can you fairly compare one telescope to another? It's all in the (angular) resolution. The entire point of introducing telescopes into astronomy is to make distant things more visible.

The Event Horizon Telescope (EHT) is a network of synchronized radio observatories around the world that combine as a single telescope with an aperture the size of Earth used to observe sources of ...

According to the widely accepted Rayleigh criterion, in order to resolve two distant point sources, their angular separation must be larger than 1.22 (the wavelength of light divided by the telescope ...

Using new observations with the ALMA telescope array in Chile, researchers have compiled the most precise map of three regions in the Milky Way's Central Molecular Zone to date, providing valuable ...

1a). As the diameter of a telescope's mirror increases, so does the angular resolution (the ability to discern fine detail). But the blurring effect of the Earth's atmosphere means that the finest ...

Short for “Physics at High Angular resolution in Nearby GalaxieS ... picture from the now-retired infrared Spitzer Space Telescope. The side-by-side images in a Monday tweet showcase the ...

But very large telescopes are difficult and expensive ... time that "only MeerKAT's unique combination of sensitivity, angular resolution, and dynamic range allowed the discovery of these threads ...