Researchers have discovered evidence that blue stragglers in globular clusters, whose existence has long puzzled astronomers, are the result of 'stellar cannibalism' in binary stars. In other words, binary stars are eating ...
Astronomy
Jan 14, 2009
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0
If you want to know where elements come from, look to the stars. Almost every element heavier than helium is formed through nuclear reactions in stars. But which stellar processes are responsible for these elements? Can we ...
Astronomy
Apr 16, 2024
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31
Although dark matter makes up about 27% of the universe, astronomers have been unable to observe it directly.
Astronomy
Jan 17, 2024
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A global team of astronomers have created the most sensitive radio image ever of a globular cluster, an ancient ball of tightly packed stars.
Astronomy
Jan 16, 2024
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50
In a hypothetical scenario, small, primordial black holes could be captured by newly forming stars. An international team, led by researchers at the Max Planck Institute for Astrophysics, has now modeled the evolution of ...
Astronomy
Dec 22, 2023
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Two McMaster astronomers have used recent deep imaging data from the James Webb Space Telescope to look 3.5 billion years into the past to study a remote giant cluster of galaxies.
Astronomy
Dec 18, 2023
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69
A group of dead stars known as "spider pulsars" are obliterating companion stars within their reach. Data from NASA's Chandra X-ray Observatory of the globular cluster Omega Centauri is helping astronomers understand how ...
Astronomy
Nov 30, 2023
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75
ESA's Gaia provides many new and improved insights into our galaxy and beyond with the release of five new data products. Among other findings, the mission reveals half a million new and faint stars in a massive cluster. ...
Astronomy
Oct 10, 2023
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36
Globular clusters are the most massive and oldest star clusters in the universe. They can contain up to 1 million stars. The chemical composition of these stars, born at the same time, shows anomalies that are not found in ...
Astronomy
May 11, 2023
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51
A galaxy has been discovered that mirrors the very early version of our home galaxy, the Milky Way. The galaxy, dubbed the "Sparkler," is embedded in a system of globular clusters and satellite galaxies, and appears to be ...
Astronomy
Feb 6, 2023
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