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Africa Untold: 1. The Nile River     is a major north-flowing river in northeastern Africa. It flows into the Mediterranean Sea. The Nile is the longest river in Africa and has historically been considered the longest river in the world, Nile in Cairo, Egypt inside river Nile map Location Countries Egypt, Sudan, South Sudan, Ethiopia, Uganda, Democratic Republic of the Congo, Kenya, Tanzania, Rwanda, Burundi Major cities Jinja, Juba, Khartoum, Cairo Physical characteristics Source White Nile • coordinates 02°16′56″S 29°19′53″E • elevation 2,400 m (7,900 ft) 2nd source Blue Nile • location Lake Tana, Ethiopia • coordinates 12°02′09″N 037°15′53″E Mouth Mediterranean Sea • location Nile Delta, Egypt • coordinates 30°10′N 31°09′E • elevation Sea level Length 6,650 km (4,130 mi)[a] Basin size 3,349,000 km2 (1,293,000 sq mi) Width • maximum 2.8 km (1.7 mi) Depth • average 8–11 m (26–36 ft) Discharge • location Aswan, Egypt • average 2,633 m3/s (93,000 cu ft/s

Update The solar system is a vast and intricate collection of celestial bodies that are gravitationally bound to the sun, our central star. It consists of the sun itself, eight planets, multiple dwarf planets, countless moons, asteroids, comets, and various other smaller objects. At the center of the solar system lies the sun, a massive ball of hot, glowing gas that provides light, heat, and energy to the system. The sun's tremendous gravitational pull holds everything in place, ensuring the stability and balance of the system. The eight planets of the solar system include Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. These planets orbit the sun in a roughly circular path called an orbit. Each planet has its own unique characteristics, such as size, composition, and atmosphere. Moons, often referred to as natural satellites, are celestial bodies that orbit planets. These moons vary in size, number, and composition. Earth's moon, for example, is the fifth-

Update The universe is an immensely vast and complex cosmic system that encompasses all of existence as we know it. It is the totality of space, time, matter, and energy, and is believed to have originated in a cosmic event called the Big Bang approximately 13.8 billion years ago. At its largest scale, the universe consists of countless galaxies, each containing billions to trillions of stars, as well as nebulae, black holes, and other celestial objects. These galaxies are organized into clusters, superclusters, and filaments, forming a vast cosmic web structure. The universe is ever-expanding, with galaxies moving away from one another due to the force of cosmic expansion. This expansion is driven by dark energy, a mysterious force that counteracts the gravitational pull between objects. Within the universe, matter exists in various forms, including gases, liquids, solids, and plasma. The fundamental building blocks of matter are subatomic particles such as protons, neutrons, and el

Update Elon Musk, a visionary entrepreneur and technology pioneer, was born on June 28, 1971, in Pretoria, South Africa. From a young age, Musk displayed a remarkable intellect and a relentless curiosity about the world around him. These early traits would later contribute to his extraordinary success and significant influence in various industries. Musk's path to success began during his childhood when he developed a deep interest in computers and technology. At the tender age of 12, he taught himself computer programming and created a video game called "Blastar," which he sold to a computer magazine for $500. This early entrepreneurial endeavor foreshadowed Musk's future endeavors where he would combine his passion for technology with his business acumen. After completing high school in South Africa, Musk attended Queen's University in Canada before transferring to the University of Pennsylvania in the United States. At Penn, he studied physics and economics,