Galaxy
Its distinctive ring shape was formed by a smaller galaxy passing directly through its center, triggering a ripple of star formation.
| Type | Galaxy |
|---|---|
| Galaxy type | Irregular |
| Distance from Earth | 500,000,000 ly |
| Diameter | 1,780,120,000,000,000,000 km |
| Mass | 2.00 × 10^41 kg |
| Apparent magnitude | 15.2 |
| Redshift | 0.03 |
| Hemisphere | Southern |
| Discovered | 1941 |
At 1,780,120,000,000,000,000 km across, Cartwheel Galaxy is 139,704,912,886,517 times the diameter of Earth.
Its mass is 100,553,041,730 times the mass of the Sun.
The light reaching us from Cartwheel Galaxy tonight left it around 500,000,000 years ago.
Its light arrives redshifted by z = 0.03, stretched on the way here by the universe's expansion.
It has been on record since 1941.
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