Activity for Pentallionâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
How long can 400 people survive in an underground facility if they had to seal off their heat vents? Assume the surface of the planet is experiencing ice age conditions and the facility was designed to keep the occupants alive for 6 months. An emergency forces the permanent closure of all Heating, Ventilation, and Air Conditioning (HVAC) vents for immediate survival. Going to the surface isn't an ... (more) |
— | over 4 years ago |
| Question | — |
What could cause a planet to be in shadow for a 6 earth month period every couple of earth years? My previous question ruled out having a moon orbiting a gas giant. I've got an interesting ecosystem (my bad, biome was the wrong word) that evolved based upon the idea that the world is eclipsed for a 6 month period and enters a deep ice age once every couple of years. Is there anything that could ... (more) |
— | almost 5 years ago |
| Question | — |
Is it possible to calculate how long a moon takes to orbit a gas giant? if it takes the moon 6 months to pass through the gas giants shadow? Assume it is distant enough to not be tidally locked. The gas giant is 112.5 AU from the star. The star is 55 solar masses. It is undetermined how long the gas giant takes to orbit the star and the size of the gas giant can be v... (more) |
— | almost 5 years ago |