Timeline for Amount of Earths water with consideration to space travel?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 18, 2017 at 2:47 | history | edited | Gimelist | CC BY-SA 3.0 |
edited body
|
| Aug 3, 2016 at 9:45 | comment | added | userLTK | @Michael That's awesome. I wasn't aware of that. | |
| Aug 3, 2016 at 9:40 | comment | added | Gimelist | @userLTK ox.ac.uk/news/2016-06-28-huge-helium-discovery-life-saving-find related | |
| Aug 3, 2016 at 9:36 | comment | added | userLTK | Actually, the Earth produce Helium, slowly, by radioactive decay. Most of Earth's Helium is trapped underground so we'll never lose "all of it", but there is currently a helium shortage that likely won't end anytime soon. It's not worth the trouble to drill for helium directly. It's mostly collected out of natural gas deposits. | |
| Aug 1, 2016 at 14:15 | comment | added | Logan | Helium is also the next-most lost gas, and unlike Hydrogen we can't replenish it. Eventually earth will lose its Helium, whereas with Hydrogen we can crack open molecules like water to get more. | |
| Jul 30, 2016 at 15:38 | vote | accept | tycrek | ||
| Jul 30, 2016 at 2:20 | history | answered | Gimelist | CC BY-SA 3.0 |