Not exactly. All known means of propulsion are based off of throwing something backwards to propel yourself forwards. In a medium like air, you can grab the air in front of you and thrust it behind you. In space, you don’t have that option, you have to carry all of the propellant with you from the start and can’t get more unless someone brings it with you.
Not exactly. All known means of propulsion are based off of throwing something backwards to propel yourself forwards. In a medium like air, you can grab the air in front of you and thrust it behind you. In space, you don’t have that option, you have to carry all of the propellant with you from the start and can’t get more unless someone brings it with you.