While observing the star system HD 23472 with the ESPRESSO spectrograph (ESO), a team led by Instituto de Astrofísica e Ciências do Espaço's (IA3) researcher Susana Barros (IA & Dep. de Física e Astronomia—Faculdade ...
Astronomy
Sep 27, 2022
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The quality of ground-based astronomical observations delicately depends on the clarity of the atmosphere above the location from which they are made. Sites for telescopes are therefore very carefully selected. They are often ...
Astronomy
Sep 22, 2022
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Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have spotted signs of a "hot spot" orbiting Sagittarius A*, the black hole at the center of our galaxy. The finding helps astronomers better understand ...
Astronomy
Sep 22, 2022
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While developing and testing astronomical software on existing data, a master's student in astronomy fortuitously discovered a group of galaxies in the very early universe. In addition to demonstrating the potential of the ...
Astronomy
Sep 14, 2022
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185
An international team of astronomers reports the discovery of two new "super-Earth" exoplanets orbiting a nearby late-type M dwarf star. The newfound alien worlds, designated LP 890-9 b and LP 890-9 c, are slightly larger ...
An international research team including astronomers at the University of Birmingham, has just announced the discovery of two "super-Earth" planets orbiting LP 890-9, a small, cool star located about 100 light-years from ...
Astronomy
Sep 7, 2022
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Astronomers using the W. M. Keck Observatory on Hawaiʻi Island have captured from Maunakea the most detailed and complete images ever taken of the zone where the famed constellation of Orion gets zapped with ultraviolet ...
Astronomy
Sep 6, 2022
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261
Astronomy has a blind spot in the area of far-infrared radiation compared to most other wavelengths. A far-infrared space telescope can only utilize its full sensitivity with an actively cooled mirror at temperatures below ...
Astronomy
Sep 6, 2022
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484
Zeta Ophiuchi has had an interesting life. It began as a typical large star about twenty times more massive than the sun. It spent its days happily orbiting a large companion star until its companion exploded as a supernova ...
Astronomy
Jul 29, 2022
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An animated dive into the dusty Milky Way reveals the outlines of our galaxy taking shape as we look out further and further from Earth.
Astronomy
Jul 15, 2022
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