Telescopes stories

Astronomers in Chile have just fired up the ALMA radio telescope array for the very first time. ALMA is destined to be the largest, most expensive, and most powerful telescope array on the planet, and when the array of 66 telescopes is completed in 2013, ALMA will be able to resolve images of galaxies that are an incredible ten times sharper than the best that we can get from Hubble.
The 1,700 pound sensor that makes up the wide-angle eye of the VLT Survey Telescope (aka VST) is exactly like the sensor in your digital camera. Except, you know, bigger. A lot bigger. We're talking an array of 32 individual CCD sensors that together take 268 megapixels worth of images of outer space. Meet OmegaCam.