CLEAN : Neutron star smashup seen for first time

The video discusses the collision of two neutron stars, which are the smallest and densest stars. This astronomical event took place 130 million light years away from Earth in a distant galaxy.

What phenomenon is described as waves coming from the collision of two neutron stars?

What is the significance of the distance of 130 million light years in the context of the neutron stars collision?

What are neutron stars known for in terms of their physical characteristics?

How far did the event of the neutron stars collision occur from Earth?

In which galaxy did the collision of the neutron stars take place?