A satellite and “future victim” of the galaxy containing the terrestrial Milky Way (Galaxy) shows a mysterious resistance.
pig Scientific Alert, Large Magellanic Cloud (LMC)a dwarf galaxy visible to the naked eye in the southern hemisphere, presents a powerful and mysterious impact at the edge of the Milky Way.
LMC is a satellite galaxy of the Milky Way, which is only about 10-20% of the galaxy containing Earth. It is getting closer and closer to the Milky Way, the first step in a process of fusion that will take place over the next 2 billion years.
Close-up of the bright world of LMC, still in strong star formation
A close-up of the bright LMC world, still in heavy star formation – (Photo: ASA/ESA/Hubble).
According to Dr Sugene Vasiliev of the University of Cambridge (UK), lead author of the study, it was long assumed that the LMC was a calm and hardened neighbor when the Milky Way began to warp its spiral arms.
The new study shows that the Milky Way is also changed by this interaction, such that stars and stellar fluxes closest to the LMC have asymmetric orbits, and a number of other structural changes have also been detected. The closer the parts are to the LMC, the more irregular they are, the more obvious the culprit is.
It’s a subtle but noticeable distortion. Structures closer to the LMC are more irregularmore clearly indicate the culprit.
The difficulty is that the evidence for these changes is observable, but this is not an easy task, as we cannot take a snapshot of the entire galaxy to examine it as a whole in the same way as the rice galaxies sticky. The Milky Way also blocks our view of itself. Research must therefore rely in part on the model to fill this gap.
The results further highlight how galaxy mergers can occur. The Milky Way should merge with LMϹ, then, a few billion years later, it will come into conflict with its biggest rival, the Endromeda (Andromeda galaxy).
Article source: MTN
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A satellite and “future victim” of the Milky Way, linked to Earth, shows a mysterious resistance. According to Science Alert,…