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Our Milky Way has two famous neighbours
The Large and the Small Magellanic Clouds (LMC and SMC. respectively).
With Gaia's new catalogue, stars of different types and ages can be distinguished.
Now we are looking at stars older than one billion years: red giant stars, ed clump stars, RR Lyrae stars and other stars of a similar evolutionary stage, and asymptotic giant branch stars.
Let us now look at the motion of the Magellanic Clouds measured by Gaia
This is how much the stars of the Magellanic Clouds move over 5 million years.
A final look at stars moving from the outskirts of the SMC to LMC
This is best seen looking at the young and blue stars only.
In order to see the single stars we very strongly enhance the brightness
And show the motion of these stars over 10 million years.