Kraken galaxy

Kraken galaxy
Observation data
Constellation	various
Group or cluster	Local Group

The Kraken galaxy is a hypothetical galaxy that is proposed to have collided and merged with the Milky Way around 11 billion years ago. The Kraken contributed at least 13 (9%) of the surviving 150 globular clusters to the Milky Way. Its existence was first proposed in 2020. ^{[1] [2]}

See also

• Sausage Galaxy, dwarf galaxy merged into Milky Way being its last major merger, cause for the Milky Way's thick disc and many halo stars.
• List of open clusters
• List of spiral galaxies
• Open cluster family
• Open cluster remnant

References

1. Kruijssen, J.M. Diederik; Pfeffer, Joel L.; Chevance, Mélanie; Bonaca, Ana; Trujillo-Gomez, Sebastian; Bastian, Nate; et al. (October 2020). "Kraken reveals itself – the merger history of the Milky Way reconstructed with the E-MOSAICS simulations". Monthly Notices of the Royal Astronomical Society . 498 (2): 2472–2491. arXiv: 2003.01119 . doi: 10.1093/mnras/staa2452 . Retrieved November 15, 2020.
2. Young, Monica (November 13, 2020). "Star Clusters reveal the "Kraken" in the Milky Way's past". Sky and Telescope . Retrieved May 30, 2022.