The birth of a star occurs in cosmic clouds of gas and dust called nebulae. Under the influence of gravitational forces, these clouds begin to...
Ancient civilizations built sophisticated astronomical observatories to observe celestial movements. These structures were used to study precisely the trajectories of the stars, planets, and other...
The Moon takes about 27.3 days to complete one full revolution around the Earth. This period is called the lunar revolution period. However, it is...
The inclination of the Earth's rotation axis is a key factor in the frequency of total eclipses in different regions of the world. The Earth's...
Emission and absorption spectra are fundamental tools in astronomy for studying the chemical composition of stars. Emission spectra appear as bright lines on a dark...
The intense gravity of a black hole is the primary factor that prevents light from escaping. A black hole is a region of space where...
Exposure to sunlight during an eclipse can be dangerous for the eyes. Even during a total eclipse, when the Sun is completely covered by the...
The solar year is the time it takes for the Earth to complete one full orbit around the Sun. This duration corresponds to approximately 365.25...
Gravity is a fundamental force of the universe that attracts objects towards each other due to their mass. When a celestial body like a planet...
The Earth completes a full rotation on itself in about 24 hours. This rotation movement is responsible for the day-night cycle that we observe. The...