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Have you ever wondered how planets weighing tons can remain suspended in space for centuries without being attached to anything?Or why, when we toss a coin into the air while playing with friends, it does not stay floating in the air like the planets, despite being extremely light?It was the great physicist Newton who pondered this question many years ago.Newton was a famous physicist who lived in the 1600s. He conducted extensive research in physics and introduced entirely new formulas.One of t

Within the order of the universe, certain celestial bodies stand out due to their extraordinary influences. When examining the Solar System, the mass disparities between planets and their natural satellites become striking; in this context, the most remarkable balance is that established between Earth and the Moon. Due to its substantial mass, the Moon transcends the role of an ordinary satellite and exerts significant physical effects on Earth. It is not merely a passive celestial body orbiting

In astronomy, the concept of time【1】 is not limited solely to the cycles of day and night or seasonal changes on World. On the scale of the Sun System, planetary motions, orbital cycles, and gravitational interactions determine many factors that define different dimensions of time.In astronomy, time is a system of measuring time based on the movements of celestial bodies and large-scale processes in the universe. Beyond daily and annual cycles on Earth, it encompasses much longer time intervals

 Astronomy is a scientific discipline that studies celestial objects, the structure of the universe, its origins and evolution through scientific methods. Astronomy seeks to understand stars, planets, galaxies, black holes, quasars and the general dynamics of the universe. Throughout history, astronomy has been an integral part of humanity’s effort to comprehend the cosmos and has held scientific, religious and cultural significance in many cultures. ( Source: AI, each period is detailed with or

Sun system's closest to the Sun and least massive planet, Mercury, constitutes a unique subject of study in orbital and physical characteristics within the fields of astronomy and planet science.Mercury, PixabayOrbital and Rotational CharacteristicsMercury orbits the Sun at an average distance of 0.39 astronomical units (AU) 【1】. Its orbital period is approximately 88 World days, indicating a relatively rapid orbital motion compared to other planets in the Solar System. However, Mercury's rotati

👀 What Does This Profession Do?Astronauts are individuals who travel to space to conduct research perform experiments and operate spacecraft. They live on space stations make scientific observations and sometimes embark on missions to explore planets.🕰️ Time Travel: The History of AstronauticsThe idea of sending humans into space has captivated human imagination since ancient times. This dream became reality in the 20th century. In 1961 Soviet Union’s Yuri Gagarin became the first human to tra

The Solar System is a large family in space. At its center is the Sun, which we all know well. The Sun causes the planets and other celestial bodies orbiting around it to revolve in its vicinity. Just as children revolve around their mother, the Sun sits at the heart of this great family and holds the system together.The Sun: The Heart of This SystemThe Sun is a bright and extremely hot star. It is so large that one million Earths could fit inside it! By emitting heat and light, it illuminates a

The Moon’s gradual recession from Earth by centimeters each year reveals the universe’s constant motion as a fascinating consequence of interplanetary dynamics.The Moon Is Moving Away: The Light We See at Night Is Slowly Drifting from UsThe Moon is one of the most striking objects in Earth’s sky. Yet the light we see fixed in place each night is, in reality, moving away at an average rate of 3.8 centimeters per year. This slow but continuous recession is not merely an astronomical curiosity; it

The expansion of the universe is a miraculous process that has been ongoing since the Big Bang and has caused the dimensions of the observable universe to increase over time.The Universe Is Continuously Expanding: What Does This Mean?When we look up at the sky, we see stars, galaxies, and the dark void. Although they appear static, the universe is in fact a dynamic structure—and not only that, it is constantly expanding. So what exactly does the expansion of the universe mean? Are galaxies movin

Each planet has its own rotation period around its axis, known as a “day,” and these vary significantly. On Mercury, one day lasts 176 Earth days, while on Jupiter it can be as short as 9 hours and 55 minutes. On Venus, a day is longer than a year! Factors such as the planet’s distance from the Sun, its mass, and the tilt of its axis determine this duration. You will explore the rotation periods of all planets from Mercury to Neptune, including the differences between sidereal and solar days.Rot