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