If you were to step outside a spacecraft such as the international space station or onto a world with little or no atmosphere such as the moon or mars and you weren t wearing a space suit here s what would happen.
													
																	Can we walk on mars without a spacesuit. 
									
	
		
	
																	One day it might be possible to live on mars without a spacesuit. 
																	Lack of oxygen will cause you to los. 
																	You would become unconscious within 15 seconds because there s no oxygen. 
																	If you were to venture there without any gear you would survive for less than 2 minutes provided that you held your breath. 
															
													
									
	
		
	
																	What happens to you if you try to walk around mars without a spacesuit. 
																	Insofar as the human body is concerned you might as well be in empty space. 
																	How could this be possible. 
																	Also i suspect that cooling the suit would be easier since there s atmosphere so they can get away with a less bulky cooling system than what was used on the moon. 
															
													
									
	
		
	
																	If you were to step outside a spacecraft such as the international space station or on a world with little or no atmosphere such as the moon or mars without the protection of a space suit then. 
																	Without your spacesuit you d either freeze or instantly turn into a carbon brick depending on which side of the planet you were standing on.