The European Southern Observatory bills its Very Large Telescope array as the world's most advanced optical instrument. Each of the four Unit telescopes, boasting mirrors 27 feet (8.2 meters ...

New Tarantula Nebula observations from the Atacama Large Millimeter/submillimeter Array (ALMA) are combined with imagery from ...

An curved arrow pointing right. On April 26, the European Southern Observatory’s Very Large Telescope achieved “first light” on its new optics system, shooting four lasers into the sky for ...

On 19 December 2018, the Cherenkov Telescope Array Observatory (CTAO ... in the detection of gamma rays, which are very high-energy electromagnetic radiation emitted by the hottest and most powerful ...

North Liberty’s best kept secret looks like a giant satellite dish nestled in a wooded area between North Liberty and ...

The favored scheme was an array of relatively small dishes (antennas), with a nearly-random arrangement on the ground extending over about 1 km. This provides a very high-quality beam shape (the small ...

the future looks bright as radio astronomers prepare for new generations of telescope networks, like the NRAO's ngVLA (next generation Very Large Array) and the ngEHT (The next generation Event ...

The Atacama Large Millimeter/submillimeter Array (ALMA), an international astronomy facility ... ESO operates three unique world-class observing sites in Chile: La Silla, Paranal and Chajnantor. At ...

Unlike other instruments that are mostly used for radio astronomy projects, the ATA can devote large amounts of time to SETI searches. There have been several observing projects on the Allen Telescope ...

Typically large telescope construction and operation costs scale up faster than their collecting area. This slows scientific progress, making it expensive and complicated to increase telescope size.