Ground-based astronomy is a research area focused on observing celestial objects and phenomena using instruments located on Earth’s surface, typically at high-altitude, low-humidity sites optimized for atmospheric transparency and stability. It encompasses optical, infrared, submillimeter, and radio observations employing telescopes, interferometers, and advanced detector arrays. Research addresses topics such as stellar and galactic structure, exoplanets, cosmology, and transient events, while contending with atmospheric turbulence, absorption, and light pollution. Adaptive optics, interferometric techniques, and sophisticated data reduction pipelines are central to mitigating atmospheric effects and enhancing spatial and spectral resolution, making ground-based facilities critical complements to space-based observatories.
The first image from the international SKA Observatory's telescope in Australia, SKA-Low, has been released today—a significant milestone in its quest to reveal an unparalleled view of our universe.
Astronomy
Mar 18, 2025
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An in-depth technical analysis by the European Southern Observatory (ESO) has evaluated the impact of the INNA megaproject on the facilities at the Paranal Observatory, Chile—and the results are alarming. The analysis reveals ...
Astronomy
Mar 17, 2025
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35
At the start of the year, the European Commission established the Cherenkov Telescope Array Observatory (CTAO) as a European Research Infrastructure Consortium (ERIC), furthering its mission to become the world's largest ...
Astronomy
Feb 27, 2025
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At the start of the year, the European Commission established the Cherenkov Telescope Array Observatory (CTAO) as a European Research Infrastructure Consortium (ERIC), furthering its mission to become the world's largest ...
Astronomy
Feb 27, 2025
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24
New observations of 2024 YR4 conducted with the European Southern Observatory's Very Large Telescope (ESO's VLT) and facilities around the world have all but ruled out an impact of the asteroid with our planet. The asteroid ...
Astronomy
Feb 25, 2025
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Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists believed the moon had a solid surface that would support astronauts and their landing craft, a few believed ...
Space Exploration
Feb 20, 2025
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As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.
Astronomy
Feb 11, 2025
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With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the most massive planets known to orbit a low-mass star. Gaia-4b is also the first planet detected ...
Astronomy
Feb 4, 2025
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Astronomers have been battling threats to their clear skies on all fronts lately. One of the most notable battles, which we have reported on repeatedly, is the one against Starlink and other mega-constellations of satellites, ...
Astronomy
Jan 18, 2025
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Researchers have finished equipping the Subaru Telescope with a new special "compound eye," culminating several years of effort. This new eye is an instrument featuring approximately 2,400 prisms scattered across the extremely ...
Astronomy
Jan 10, 2025
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