Something Strange Happens When You Follow Einstein's Math

What happens to the appearance of an object as it approaches a black hole, as observed from a distance?

• It reverses its direction.

• It speeds up and vanishes quickly.

• It appears to freeze and becomes redshifted.

• It turns invisible instantly.

According to Einstein's theory, what mediates gravitational forces?

• Direct force through empty space

• Magnetic fields between masses

• Curvature of spacetime around masses

• Electromagnetic radiation

What theoretical object is the exact opposite of a black hole?

• Dark matter

• Singularity

• Neutron star

• White hole

What is the Schwarzschild radius?

• The central point of a black hole

• The outer boundary of a galaxy

• A radius beyond which light cannot escape

• A radius where gravity is strongest

What is required to maintain a stable wormhole according to theoretical physics?

• Antimatter

• High-frequency radiation

• Dark energy

• Negative energy density