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

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

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

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

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

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

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

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

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