Space & Universe on Instagram: "Halley’s comet ☄️ is one of the most famous celestial objects in human history-and for good reason. It’s a short-period comet that returns to Earth’s skies roughly every 76 years, making it visible multiple times in a single human lifetime. • Last seen from Earth in 1986, it will return in 2061. • It’s the only known comet that can appear twice in a person’s lifetime. • When it approaches the Sun, solar heat vaporizes its icy surface, forming a brilliant tail that

Pubity on Instagram: "The solar system is a vast collection of celestial bodies centered around the Sun, a massive star that provides light and energy. It includes eight planets, from rocky worlds like Earth and Mars to gas giants like Jupiter and Saturn, along with moons, asteroids, comets, and dwarf planets such as Pluto. Gravity holds everything together, guiding planets in their orbits. The solar system formed about 4.6 billion years ago, and it continues to inspire exploration, helping us u