Earth / Planet Earth
A meteor shower is a natural phenomenon that occurs when a large number of meteors, or small pieces of space debris, enter Earth’s atmosphere and burn up, creating streaks of light in the sky. Meteor showers are typically caused by the Earth passing through the debris field of a comet, and they often occur at […]
Gravity is a natural force that is responsible for the attraction between objects that have mass. It is the force that gives weight to physical objects and is what keeps the Earth and other planets in orbit around the sun. Gravity is a fundamental force of nature and is one of the four fundamental interactions
Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula H2. It is colorless, odorless, non-toxic, and highly combustible. Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all
The hydrosphere is defined as the total mass of water found on, beneath, and above the surface of a planet, minor planet, or natural satellite. Despite the fact that the Earth’s hydrosphere has been existing for roughly 4 billion years, it is still changing shape. This is created by seafloor spreading and continental drift, which
The Atlantic Ocean is the second-largest ocean on Earth, covering approximately 106 million km² (41 million mi²). It separates the continents of North and South America from Europe and Africa, serving as a critical conduit for global trade, climate regulation, and marine biodiversity. Geography and Location 🗺️ Oceanography 🌊 History and Exploration 🛶 Economy and
The Pacific Ocean is the largest and deepest ocean on Earth, covering more than 165 million square kilometers (63 million square miles)—about one-third of the planet’s surface. It stretches from the Arctic Ocean in the north to the Southern Ocean in the south, bounded by Asia and Australia to the west and the Americas to