The universe is full of fascinating phenomena that continue to perplex scientists and ordinary people alike. From the behavior of subatomic particles to the structure of galaxies, the universe is full of strange and unexplained phenomena.

Dark Matter - Dark matter is a mysterious substance that accounts for a significant portion of the universe's mass. It does not interact with light and can only be detected indirectly through its gravitational effects.

Black Holes - Black holes are regions of spacetime where gravity is so strong that nothing, not even light, can escape. They are created when massive stars collapse at the end of their lives.

Quantum Entanglement - Quantum entanglement is a phenomenon where two particles become connected in such a way that the state of one particle affects the state of the other, no matter how far apart they are.

Cosmic Microwave Background Radiation - The cosmic microwave background radiation is the leftover radiation from the Big Bang, which has been stretched and cooled by the expansion of the universe.

Dark Energy - Dark energy is a mysterious force that is causing the universe to expand at an accelerating rate. Its nature and origin remain unknown.

Neutron Stars - Neutron stars are incredibly dense and have a gravitational pull so strong that a teaspoon of neutron-star material would weigh about 6 billion tons on Earth.

The Higgs Boson - The Higgs boson is a particle that gives other particles mass. Its discovery was a major milestone in particle physics.

The Great Attractor - The Great Attractor is a mysterious region of space that is pulling the Milky Way and other galaxies towards it at an incredible speed.

Time Dilation - Time dilation is a phenomenon where time appears to pass more slowly in regions of space with stronger gravitational fields.