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

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

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

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

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

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

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

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

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