Current location - Health Preservation Learning Network - Healthy weight loss - An 80-word composition on astronomical knowledge
An 80-word composition on astronomical knowledge
Neutron stars are extremely dense stars. It is the densest star except black holes, with a mass of 80 million to 2 billion tons per cubic centimeter! Imagine if the earth is a neutron star, its diameter is only 22 meters! A neutron star with a radius of 10 km is almost the same as the radius of the sun.