What is the term for the point in a planet's orbit where it is closest to the Sun?

What is the name of the spacecraft that successfully landed the rover "Perseverance" on Mars in 2021?

What is the main function of the immune system in the human body?

What is the primary function of the nephrons in the kidneys?

What is the name of the theory that explains the origin of the universe, suggesting an initial singularity followed by rapid expansion?

What is the name of the phenomenon where a celestial body passes in front of another, temporarily blocking its light?

Which part of the human ear is responsible for detecting sound vibrations and transmitting them to the brain?

In the water cycle, what is the term for the process by which water vapor is released from the surface of leaves into the atmosphere?

What is the name for the layer of loose, unconsolidated material covering the Earth's surface and consisting of mineral and organic particles?

Which star, known as the North Star, is often used in navigation due to its proximity to the celestial north pole?