3 ms·
> some off-world reservoir of cold, which doesn't exist Space has an average temperature of 2.7K, and there's a lot of it. Can interplanetary space be an off-w
by Maursault 4y ago
> some off-world reservoir of cold, which doesn't exist
Space has an average temperature of 2.7K, and there's a lot of it. Can interplanetary space be an off-world reservoir of cold?
- pletnes 4y agoIt is. We receive light from the sun in the visible light range. Earth emits something like 20 photons in the infrared for each incoming visible light photon. The reason is that the sun’s surface temperature is ~20x higher than Earth’s.