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

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

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

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

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

A) Charge is equivalent to mass
B) Voltage is equivalent to current
C) Momentum is equivalent to energy
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 interaction of strong and weak forces
D) As the transfer of particles

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