A new publication from Opto-Electronic Advances discusses diffraction-limited visible imaging for large aperture telescopes. The deformable mirror used in adaptive optics can change its surface to ...
It is the colours of a sunset that inspire Joseph Anderson, an astronomer at the European Southern Observatory (ESO) in the high Atacama desert, in northern Chile. “They start off very blue and ...
The past quarter of a century in astronomy has been dominated by large telescopes — but they are about to be usurped by some even larger ones. When you purchase through links on our site, we may earn ...
With such extraordinary potential for our international standing in astronomy, the cost of ESO membership seems like a ...
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Sunrise silhouettes the world's largest telescope | Space photo of the day for Sept. 17, 2025
Astronomy isn’t just about distant stars; it’s also about the human effort here on Earth that makes it possible to extend our ...
More than 100 years ago, astronomer George Ellery Hale brought our two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mt. Wilson Observatory ...
NASA’s flagship orbiting mega-observatory, the James Webb Space Telescope, launched billions of dollars over budget and over a decade late. The space agency’s next prize, the Vera C. Rubin Observatory ...
NORMAL - The Illinois State University Planetarium, ISU Astronomy Club, and Twin City Amateur Astronomers are collaborating ...
HILO (AP) — An independent review of the state of astronomy and astrophysics in the U.S. has recommended federal funding of a giant telescope in Hawaii. The Astronomy and Astrophysics Decadal Survey ...
For many decades, the USA has been at the forefront of astronomy, whether with ground-based telescopes or space-based observatories like Hubble and the JWST. Yet this is now at risk as US astronomers ...
Consider this: astronomers think of the Hubble Space Telescope as small. That might surprise you because after three decades' worth of images from Hubble with depth and detail most ground-based ...
Buying a telescope is a big step, especially if you’re not sure what all those terms — f/ratio, magnification, go-to — mean. So, to eliminate confusion and make sure you understand what you’re buying, ...
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