Mars has two natural satellites, Phobos and Deimos. These moons are believed to be captured asteroids and are much smaller and irregular in shape compared to Earth’s Moon.

Semantics refers to the meaning and interpretation of words, symbols, or data in language and computing. In computer science and artificial intelligence, semantic analysis helps systems understand context and relationships between concepts.

The smooth endoplasmic reticulum (SER) is responsible for the synthesis of lipids, including fats and steroids. It also helps in detoxification processes and calcium storage, especially in liver and muscle cells.

A parsec is a unit of astronomical distance equal to about 3.26 light-years. Astronomers use it to measure vast distances between stars, galaxies, and other celestial bodies in space.

Hepatitis is a disease that causes inflammation of the liver and may result from viral infections, alcohol abuse, or toxins. Viral hepatitis types such as A, B, and C are major global health concerns because they can lead to liver damage and cancer.