but sometimes they collide with other spirals and form elliptical galaxies. We see these three-dimensional egg-shaped blobs as two-dimensional ellipses on the sky. The merger process triggers ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy | Space ...

An unusual elliptical galaxy with a history of absorbing smaller galaxies appears to be approaching its next target.

NGC 3640 shows signs of past galaxy mergers, per astronomers The elliptical galaxy may soon absorb its smaller neighbor, NGC 3641 VLT images reveal remnants of previous galactic collisions ...

The magnitude 13.4 elliptical galaxy NGC 2831 lies only 24″ to the southwest. Even fainter, the magnitude 13.9 lens-shaped spiral NGC 2830 lies a bit more than 1′ to the west-southwest.