A) 1905
B) 1879
C) 1897
D) 1923

A) Hexagonal
B) Flat
C) Curved
D) Spherical

A) The absence of black holes
B) The existence of gravitational waves
C) The reversal of time
D) The existence of parallel universes

A) Gravity is equivalent to acceleration
B) Charge is equivalent to mass
C) Momentum is equivalent to energy
D) Voltage is equivalent to current

A) As the interaction of strong and weak forces
B) As the transfer of particles
C) As the result of friction
D) As the curvature of spacetime

A) Three
B) Four
C) Six
D) Two

A) Black hole formation
B) Quantum superposition
C) Time dilation
D) Frame dragging

A) The circumference of the Earth
B) The event horizon of a black hole
C) The curvature of a wormhole
D) The distance between galaxies

A) Optical refraction
B) Electromagnetic deflection
C) Gravitational lensing
D) Reflection diffraction