Hubble Captures M88’s 2-Million-Light-Year Trek as 100-Million-Solar-Mass Black Hole Drives Outflows
Updated
Updated · Science@NASA · May 29
Hubble Captures M88’s 2-Million-Light-Year Trek as 100-Million-Solar-Mass Black Hole Drives Outflows
3 articles · Updated · Science@NASA · May 29
Summary
Messier 88, a spiral galaxy 63 million light-years away, is heading toward the Virgo Cluster’s core in a journey that will carry it about 2 million light-years inward.
Hubble’s new image shows the active galaxy already under stress: its roughly 100-million-solar-mass central black hole is feeding on gas and dust, while gas outflows stream from the core.
Researchers also see ram-pressure stripping at work before M88’s closest pass by M87 in 200–300 million years, with the galaxy’s gas disk truncated and compressed along its leading edge.
That stripping has left M88 with less cold gas than expected, especially in its outer regions, signaling weaker future star formation and a lasting shift in its evolution.
The observations come from Hubble program 18103, which uses Wide Field Camera 3 to study how crowded cluster environments reshape spiral galaxies over time.