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