NASA scientists have found the outer boundary of solar system and called it the hydrogen wall. Earlier, the space was believed to be a continuous expanse of an imaginary sheet called ether. Source: science news for students T he scientists working at NASA think that they have found the outer boundary of our solar system. It was earlier thought to be not properly defined. Now, they have said that their New Horizons spacecraft can see that invisible boundary. They have named it the "hydrogen wall." It is located at the edge of our solar system. The hydrogen wall has been described by the scientists as the place where bubbles of solar wind cease to exist. The mass of interstellar matter here is very small but strong enough to not let the solar winds to pass through. At the same time, it is not so strong to bust through the solar wind build up. It acts like a wall pressing the solar winds inward. The sun keeps throwing out jets of matter and energy in the form of solar winds. The...
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