Finally, it describes how in the absence of friction and gravity, such as in space, an object would continue in uniform motion indefinitely. Keywords uniform motion, constant speed, straight line ...

so gravity's pulling it down,it's got more space for water to push up against it,which means there's more drag,there's more of that friction with the water,and it gets slowed down more.Amazing!

The road to full recovery from the effects of long-term space travel will likely take months, with astronauts undergoing ...