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

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

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

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

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

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

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

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

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