New answers tagged sunlight
2
votes
Accepted
How long would it take for an Earth-like planet to become uninhabitable if another sun suddenly appeared?
Not Long
It currently takes ~7 minutes for infrared radiation - the primary heat agent from the sun - to reach us. If you added a second sun, within 7 minutes the planet would be bathed in twice as ...
- 8,276
0
votes
Parasols on an Alderson Disk
What Parasol Users Actually Do
Parasols aren't so common anymore in the West, but in the last century they were quite popular in Europe and America. For those who don't know, a parasol is a very ...
- 40.9k
Top 50 recent answers are included