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

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

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

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

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

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

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

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

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