A one-sided spiral 🌀
Located about 72 million light-years away, the spiral galaxy NGC 4654 belongs to the Virgo Cluster of galaxies.
Its asymmetric shape is caused by pressure it encounters as the galaxy moves through gas in its cluster: https://t.co/eN12F6Zn7p
There is more than meets the eye in this photo…
The ring around the central galaxy cluster is evidence of dark matter, the invisible glue holding the universe together. Dark matter doesn’t emit, reflect, or absorb light, but it has gravity like ordinary matter. 🧵