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Hace 3 días · Helium-3 may be scarce on our planet, but there are easily exploitable deposits on the Moon since it is absorbed in the upper layers of the regolith. What might have seemed like science fiction 10 years ago is now a viable commercial proposition. Several companies are now seriously considering trying to harvest Helium-3 from the lunar surface.
Hace 11 horas · A helium leak has delayed the launch of the Starliner’s crewed flight test mission with two NASA astronauts. Here’s the next opportunity to watch history in action.
Hace 1 día · Helium is not combustible or toxic, so a small leak is not likely to be a major safety issue on the ground, but the propulsion system must hold pressure for the thrusters to work in space.
Hace 2 días · Pollard Helium was the first wildcatter to go under during the current boom. It spent more than $1 million hunting for the elusive gas in the Holbrook Basin and filed for bankruptcy in 2020. HB2 ...
Hace 13 horas · Pressurized helium gas is used to push propellants to the rocket motors in each doghouse. The leak was traced to a flange on a single RCS thruster. Bolts were retorqued and engineers believe the ...
Hace 4 días · Helium is relatively abundant in many minerals, all of which are radioactive, and contain uranium or thorium as important constituents. (For the significance of this fact see Radioactivity.) The richest known source is thorianite, which consists mainly of thorium oxide, and contains 9.5 cc. of helium per gram.
Hace 1 día · The helium leak responsible for the latest delay goes on the Starliner list, but it was considered a relatively minor problem. That said, managers are leaving no stone unturned to ensure flight ...
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