Activity for Chris J‭

Type	On...	Excerpt	Status	Date
Question	—	Wind Turbines at the edge of space So Turbines in Space don't work, how about sticking beefed up versions of regular wind turbines near the top of a space elevator? My thought is that the elevator at the top experiences some serious wind forces as the Earth spins. How about it? Would increasing the surface area of the elevator redu... (more)	—	over 7 years ago
Question	—	Wind Turbines in Space Solar Sails are a great, low-impact way of driving your spacecraft. Whilst wind turbines are a low impact way of collecting power from the wind, however, they only work when the wind is blowing. My thought is, the solar wind is always blowing in one way. Would it be feasible to use Solar Sail Wind T... (more)	—	over 7 years ago
Question	—	How can three planets be close enough to see each other I've asked another question about trinary planet systems which turned out to not be possible. Is there a way for three worlds to co exist within sight of each other? Sight being defined as making out continents with the naked eye. The planets need to be large enough to have gravity of 0.8g, 1g and ... (more)	—	almost 8 years ago
Question	—	Is it possible to have two or three planets in a stable orbit together? I have three planets. Let's call them Un, Deux and Trois. Is it feasible for all three to be orbiting one another, close enough to be seen clearly by eye? All three are large enough to be earth equivalents. What would the days be like? Let us say that each planet rotates once every 24 hours, perfor... (more)	—	almost 8 years ago
Question	—	Non-lightspeed travel to not-too distant stars So humanity has decided to reach for the stars, they can't get anywhere near light speed but that hasn't stopped them. The plan is to create a self sustaining ship and attach it to a large sungrazer comet which is used to exit the solar system by altering its angle of orbit. What speed could it ge... (more)	—	almost 8 years ago