Multiple choice How much would a thimbleful of a neutron star weigh? over 100 million tons 5 lbs 10,000 T 50 kg Reveal answer Fill a bubble to check yourself A Correct answer Explanation Neutron stars are incredibly dense, with a mass comparable to the sun packed into a sphere only about 20 kilometers across. A thimbleful of this material would weigh over 100 million tons on Earth.