Timeline for Are there payload lights turning on and off in orbit on SpaceX STP-2?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 15, 2019 at 5:12 | comment | added | Bob Jacobsen | The white poof is for the same reason a CO2 extinguisher makes CO2 fog & snow: the expansion cools the gas past condensation. These are “cold gas” thrusters, not heated by combustion, and in vacuum the gas is expanded a lot. | |
| Aug 14, 2019 at 5:46 | comment | added | uhoh | Thanks! Any idea why nitrogen thrusters look like white poofs of gas? I mean, gasses like nitrogen are transparent; the visible poofs from aerosol cans are visible because they are exactly that; aerosols; clouds of liquid droplets, and not gas. | |
| Aug 14, 2019 at 3:45 | review | Late answers | |||
| Aug 14, 2019 at 6:52 | |||||
| Aug 14, 2019 at 3:30 | review | First posts | |||
| Aug 14, 2019 at 5:38 | |||||
| Aug 14, 2019 at 3:27 | history | answered | Rolando | CC BY-SA 4.0 |