A) A large star in its red giant phase. B) A cloud of gas and dust. C) A type of neutron star. D) A region of space where gravity is so strong that nothing can escape from it.
A) Dark matter B) Gravitational lensing C) String theory D) Quantum entanglement
A) Gravitational waves B) Cosmology C) Quantum mechanics D) Thermodynamics
A) A white dwarf B) A red giant C) A brown dwarf D) A black hole
A) A supernova remnant. B) A quasar. C) A singularity. D) A neutron star.
A) Einstein-Rosen bridges B) The inflation theory C) Hawking radiation D) Feynman diagrams
A) Isaac Newton B) Albert Einstein C) Max Planck D) Niels Bohr
A) The observation of gravitational waves B) The discovery of black holes C) The unification of forces D) The theory of relativity |