Near the surface, Earth has an atmosphere that consists of 78% nitrogen, 21% oxygen, and 1% other gases such as argon, carbon dioxide, and neon. The atmosphere affects Earth's long-term climate and short-term local weather and shields us from much of the harmful radiation coming from the … See more The name Earth is at least 1,000 years old. All of the planets, except for Earth, were named after Greek and Roman gods and goddesses. However, the name Earth is a Germanic word, which simply means “the ground.” See more Earth has a very hospitable temperature and mix of chemicals that have made life abundant here. Most notably, Earth is unique in that most … See more As Earth orbits the Sun, it completes one rotation every 23.9 hours. It takes 365.25 days to complete one trip around the Sun. That extra quarter of a day presents a challenge to our … See more With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet overall. From an average distance of 93 million miles … See more WebDec 7, 2015 · Earth has a dense atmosphere composed of five main layers – the Troposphere, the Stratosphere, the Mesosphere, the Thermosphere, and the Exosphere. Mars' is very thin by comparison, with...

The Sun’s impact on the Earth World Meteorological Organization

WebEarth is a very cloudy planet -- at any given time two thirds of the planet is covered by clouds. Look for yourself at the current cloud cover over Europe and North Africa from METEOSAT, a weather satellite 37,000 km … WebAug 10, 2011 · Words to Know. atmosphere: the layer of gases surrounding a planet.. astronomical unit (AU): the average distance from the sun to Earth - about 149 million kilometers (93 million miles). Earth is 1 AU from the sun. magnetic field: the area around a planet that has a magnetic force satellite: a natural moon or man-made object that orbits … green card application malaysia

Parts of the Atmosphere - National Geographic Society

WebJan 21, 2013 · The troposphere starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). This part of the atmosphere is the … WebSep 1, 2009 · Dark spots are usually accompanied by bright magnetic features called faculae. These bright regions are more spread out and have lower contrast than sunspots, which means they are harder to see on the Sun’s visible surface, except when they are near the edges of the solar disk. WebDec 6, 2024 · The atmosphere is composed of ammonia, ammonia hydrosulfide, and water that influence the planet's colorful appearance of a brownish-yellow. The outer atmosphere of Saturn contains 96.3% molecular hydrogen and 3.25% helium by volume. flow flex rapid test made in china