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Interloper Star

All articles tagged with #interloper star

astronomy2 years ago•2 min saved

Interstellar Star Completes Epic Journey to Black Hole

A star named S0-6, believed to be from outside the Milky Way, has been discovered near the supermassive black hole Sagittarius A*. This interloper star has a chemical composition that matches small satellite galaxies rather than the Milky Way itself, suggesting it has been traveling for a very long time. It is the first star from outside the galaxy to be found near Sagittarius A*, and its discovery raises questions about its origins and whether it has any companions. The study aims to unravel the mysteries of stars near supermassive black holes.

via IFLScience|

#astronomy #galactic-origins #interloper-star

astronomy2 years ago•3 min saved

Ancient Interloper Stars: Key to Earth's Origins?

Astronomers have discovered an old evolved asymptotic giant branch (AGB) star in the Christmas tree nebula, which raises the possibility that a passing star like this could have affected Earth's development and explain features such as plate tectonics. AGB stars shed radioactive elements that may have contributed to the initial abundance of isotopes crucial for Earth's formation. The presence of this interloper star suggests that more massive stars could end up in similar locations, potentially impacting the development of other planets. Further research is needed to confirm or refute these findings, but if true, it could have implications for the prevalence of life in the universe.

via IFLScience|

#agb-star #astronomy #earths-early-development