SONAR (SOund Navigation And Ranging) wouldn't work since sound relies on having an atmosphere or body of water/molecules to travel. RADAR (RAdio Detection And Ranging) would be much more effective because radio waves can actually travel through space.
kendiggy t1_ixcgntm wrote
Reply to comment by seanyseanerson in Just how dark is deep space? by ArmchairSpinDoctor
SONAR (SOund Navigation And Ranging) wouldn't work since sound relies on having an atmosphere or body of water/molecules to travel. RADAR (RAdio Detection And Ranging) would be much more effective because radio waves can actually travel through space.