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

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

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

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

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) Three
B) Six
C) Two
D) Four

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

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

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