Young stellar objects (YSOs) as a research area encompass the observational and theoretical study of stars in their early evolutionary phases, from deeply embedded protostars to pre-main-sequence stars such as T Tauri and Herbig Ae/Be objects. This field investigates accretion processes, circumstellar disks, jets and outflows, variability, and the interaction of YSOs with their natal molecular environments across multiple wavelengths (X-ray to radio). Research on YSOs constrains star formation efficiencies, timescales, initial mass functions, and disk evolution, providing critical boundary conditions for models of planet formation and feedback-regulated galactic star formation.
Despite having recently officially ended its science operations in January, Gaia, one of the most prolific star explorers ever, is still providing new scientific insights. A recent paper submitted to The Astrophysical Journal ...
Astronomy
Mar 11, 2025
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High-resolution near-infrared light captured by the NASA/ESA/CSA James Webb Space Telescope shows extraordinary new detail and structure in Lynds 483 (L483). Two actively forming stars are responsible for the shimmering ejections ...
Astronomy
Mar 7, 2025
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With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might have looked like in its infancy are lost to time. Taking advantage of a sophisticated adaptive optics ...
Astronomy
Mar 5, 2025
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Using ESA's XMM-Newton satellite and NASA's Chandra X-ray observatory, astronomers have observed a young stellar object known as HL Tauri. Results of the observation campaign, presented Feb. 11 on the arXiv pre-print server, ...
Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space Telescope (JWST). JWST was used to study PDS 70, a young star with two growing planets in its orbit. ...
Astrobiology
Feb 12, 2025
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This NASA/ESA Hubble Space Telescope image peers into the dusty recesses of the nearest massive star-forming region to Earth, the Orion Nebula (Messier 42, M42). Just 1,500 light-years away, the Orion Nebula is visible to ...
Astronomy
Jan 17, 2025
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Astronomers have made new discoveries about young star formation in the Large Magellanic Cloud (LMC), using the James Webb Space Telescope (JWST), along with observations from the Atacama Large Millimeter/submillimeter Array ...
Astronomy
Jan 16, 2025
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An international team of astronomers has analyzed multi-color photometric and spectroscopic observations of the star Gaia20bdk. As a result, they found that Gaia20bdk is a FUor-type young stellar object. The finding is presented ...
Astronomers from Italy and Spain have used the Atacama Large Millimeter/submillimeter Array (ALMA) to observe a massive protostar designated IRAS 20126+4104. The observational campaign, detailed in a paper published Dec. ...
In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred times brighter in a matter of months. At its peak, FU Ori was intrinsically 100 times brighter than ...
Astronomy
Nov 21, 2024
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