Astronomy basics > Fast Facts: Cartwheel Galaxy

Fast Facts: Cartwheel Galaxy
Name Cartwheel Galaxy
Description Interacting galaxy
Age The ring resulted from a collision between two galaxies that would have been observed for the first time on Earth 200 million years ago. What we see today took 200 million years to develop, based on rate analysis of expanding gases.
Location Found in the constellation Sculptor in the Southern Hemisphere below Pisces and Cetus
Distance
from Earth
500 million light-years
Size 150,000 light-years across (somewhat larger than the Milky Way galaxy)
Cartwheel Galaxy
A blue ring of star formation resulted from a head-on collision between the Cartwheel and a smaller galaxy.

Astronomy basics > Fast Facts: Cartwheel Galaxy