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

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

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

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

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

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

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

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

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