About the Planets - Science@NASA
About the Planets. The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf ...
The Causes of Climate Change - Science@NASA
In its Sixth Assessment Report, the Intergovernmental Panel on Climate Change, composed of scientific experts from countries all over the world, concluded that it is unequivocal that the increase of CO 2, methane, and nitrous oxide in the atmosphere over the industrial era is the result of human activities and that human influence is the principal driver of many changes …
What Is Climate Change? - NASA Science
Climate change is a long-term change in the average weather patterns that have come to define Earth’s local, regional and global climates. These changes have a broad range of observed effects that are synonymous with the term. Changes observed in Earth’s climate since the mid-20th century are driven by human activities, particularly fossil fuel burning, […]
Solar System Exploration - NASA Science
If you don't find what you are looking for, please try searching above, give us feedback , or return to the main site . NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery. The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.3 ...
Facts About Earth - NASA Science
8.350022 minutes. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal. Earth is the only planet in the solar system ...
Moon Phases - NASA Science
Responsible NASA Official for Science: Dana Bolles. Overview From Space Imagine you’re in a spaceship, traveling away from Earth. As you sail onward, you see our planet and its Moon locked together in their endless, circling, gravitational embrace. Your distant view gives you a unique perspective on the Moon that can be hard to visualize from ...
Venus Facts - Science@NASA
Venus is the second planet from the Sun, and Earth's closest planetary neighbor. Venus is the third brightest object in the sky after the Sun and Moon. Venus spins slowly in the opposite direction from most planets. Venus is similar in structure and size to Earth, and is sometimes called Earth's evil twin.
2024 Total Eclipse: Where & When - NASA Science
NASA's Scientific Visualization Studio. The Monday, April 8, 2024, total solar eclipse crossed North America, passing over Mexico, the United States, and Canada. The total solar eclipse began over the South Pacific Ocean. Weather permitting, the first location in continental North America that experienced totality is Mexico’s Pacific coast at ...
Our Sun: Facts - Science@NASA
From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky. But the Sun is a dynamic star, constantly changing and sending energy out into space. The science of studying the Sun and its influence throughout the solar system is called heliophysics. The Sun is […]
Galaxies - NASA Science
Galaxies consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity. The largest contain trillions of stars and can be more than a million light-years across. The smallest can contain a few thousand stars and span just a few hundred light-years. Most large galaxies have supermassive black holes at […]