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.
On December 24th, AES Andes, a subsidiary of the US power company AES Corporation, submitted a project for a massive industrial complex for environmental impact assessment. This complex threatens the pristine skies above ...
Astronomy
Jan 10, 2025
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The Atacama Large Millimeter/submillimeter Array (ALMA) has successfully observed a site of planet formation by detecting a high concentration of dust grains, a planet-forming material, outside the orbits of just-formed planets.
Astronomy
Dec 13, 2024
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Using various telescopes, an international team of astronomers has conducted a comprehensive study of a double-lined spectroscopic binary known as HD 34736. The study, published November 6 in the Monthly Notices of the Royal ...
If I ask you to picture a radio telescope, you probably imagine a large dish pointing to the sky, or even an array of dish antennas such as the Very Large Array. What you likely don't imagine is something that resembles a ...
Astronomy
Nov 8, 2024
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In 1963, the Arecibo Observatory became operational on the island of Puerto Rico. Measuring 305 meters (~1000 ft) in diameter, Arecibo's spherical reflector dish was the largest radio telescope in the world at the time—a ...
Astronomy
Nov 6, 2024
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150
A team of space researchers with the IAU Center for the Protection of Dark and Quiet Skies from Satellite Constellation Interference, working with a colleague from Belgian Working Group Satellites, has found that the satellites ...
In recent decades, we've learned huge amounts about the universe and its history. The rapidly developing technology of telescopes—both on Earth and in space—has been a key part of this process, and those that are due to start ...
Astronomy
Oct 17, 2024
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Earth's newest celestial neighbor has finally arrived. Astronomers using a powerful telescope in Sutherland, South Africa, first detected the 33-foot-long asteroid in August, reporting their discovery in Research Notes of ...
Space Exploration
Oct 10, 2024
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An international team of astronomers reports the discovery of a new extrasolar world orbiting a nearby star known as HD 86728. This is the first exoplanet detection made as part of the NEID Earth Twin Survey (NETS). The finding ...
