Multiple choice general knowledge science & technology What is the name of the remains of the sun after its nuclear reactions stops? A Neutron Star Pulsar Black Hole White Dwarf Reveal answer Fill a bubble to check yourself D Correct answer Explanation After a sun-like star exhausts its nuclear fuel, it becomes a white dwarf - a dense, Earth-sized remnant that slowly cools. Neutron stars and pulsars form from more massive stars, while black holes result from the most massive stellar collapses.