Sgr A* becomes extremely bright in May 2019, growing 75 times as bright for a few hours.

We have successfully tested directly the effects of

Einstein's equialence principle around a supermassive black hole!



WELCOME TO THE GALACTIC CENTER GROUP AT UCLA

The Galactic Center Group (GCG) is dedicated to researching the innermost regions of the Milky Way at the highest angular resolution possible in order to understand the formation and evolution of galaxies and their central supermassive black holes.

SCIENCE

Discover the properties and effects of one of the most mysterious objects. Read more...

TECHNOLOGY

Advancing the next generation instrumentation & telescopes.
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EDUCATION & OUTREACH

Inspiring the public & training the next generation of scientists.
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PUBLIC NEWS

Galactic Center Group featured in UCLA's Centennial Campaign

SCIENCE NEWS

G2 - Bizarre object in our Galactic Center Explained. Read more...

ABOUT THE P. I.

What drives the group’s Principal Investigator Prof. Andrea Ghez?