Black hole...except cutting edge astronomy based on the realization that the universe is electrical in nature insists that black holes are not what conventional science still believes them to be... they are electrical phenomena which take place within the plasma of space...
"NEUTRON STARS are dying stars that are seemingly ‘off the charts’ in almost every category. They are small and extremely dense; about 20 km in diameter with masses of about 1.4 times that of our Sun, meaning that on Earth, one teaspoon of a neutron star would weigh about 100 million tons. They also rotate exceeding fast, about 700 times per second...the outer surface of these collapsed stars is likely to be 10 billion times stronger than steel or any other of Earth’s strongest alloys..."
Glorious Sirius looks like one bright star but is actually a binary system (composed of 2 stars: Sirius A, the brighter & Sirius B, a faint white dwarf). It glitters like a silver-blue diamond! Binary stars are too close to be distinguished from one another when observed from Earth and are hence mistaken for one. The two stars that make up a binary typically orbit about a common center of mass. The brightest star, Sirius is easy to see in the spring and winter skies.
NASA's Hubble Space Telescope has recently spotted a galaxy estimated to be over 60 million light years away from the Earth.
A Hubble Space Telescope photo of a rapidly spinning neutron star, also known as a pulsar.