If youâve been around the fat loss game for long, you know about the ECA stack. Itâs an undeniably effective combination of fat busting ingredients that were banned from use in Canada. Now itâs officially back and approved by Health Canada in a highly effective potency.
The Karman line, at 100 km (62 miles), is also frequently used as the boundary between atmosphere and outer space. For all intents and purposes, space starts at about 62 miles. And no, it has absolutely zero to due with the Earth's gravity.
HOW FAR UP DOES THE EARTH'S ATMOSPHERE EXTEND? Atmosphere is the gaseous envelope of air that surrounds the earth. The air extends as far as 1,000 miles above the surface of the earth. Scientists divide the earth's air into four layers: the troposphere, the stratosphere, the mesophere and the thermosphere. Nitrogen makes up 78 percent of the world's atmosphere and oxygen makes up 21 percent.