Galaxies on Instagram: "A day on each planet is defined by how long it takes the planet to rotate once on its axis, and they vary dramatically across the solar system. Mercury spins slowly, so its day lasts about 59 Earth days. Venus rotates even more slowly and in the opposite direction, giving it the longest day of all—243 Earth days. Earth takes 24 hours. Mars rotates in about 24 hours and 37 minutes, making its day very close to ours. Jupiter spins the fastest, completing a rotation in just

Science Vice on Instagram: "Future of Earth: 100-Year Timeline” 📝 Instagram Caption (English): What will our planet look like in the next 100 years? 🌍 From NASA’s return to the Moon in 2025, a giant asteroid passing Earth in 2029, humans stepping on Mars by 2030, to the recovery of the ozone layer by 2075… The future holds wonders and warnings. But if deforestation continues, the Amazon rainforest may vanish by 2095, and by 2100 our population could cross 10 billion. Are we heading towards evo