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

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

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

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

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

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

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

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

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