Center of the peculiar galaxy NGC 4438 (Arp 120) in the Virgo cluster

Images of the Center of our Galaxy, the Milky Way

Zoom into Sagittario (Heino Falcke)

Motion of Stars at the Galactic Center

Ghez et al (2013)

Flaring of Sagittario (Ghez et al)

Evidence for a jet from Sagittario (Li et al 2013)

NGC 6744, a Milky Way look-alike

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Formation of the Milky Way (Jeffrey P. Gardner)