Two astronauts are floating in gravitational free space after having lost contact with their space ship. The two will :

Question

$\begin{array}{1 1} (1) \text{keep floating at the same distance between them} \\ (2)\text{move towards each other.} \\ (3) \text{move away from each other}. \\ (4) \text{will become stationary.}\end{array} $