File talk:Mariner-10-Trajectory-first half.PNG
Perhaps could clarify if/that the upsilon-like 
on the RHS is the vernal equinox/first point of aries ? - Rod57 (talk) 14:28, 28 April 2017 (UTC)
Perhaps could clarify if/that the upsilon-like on the RHS is the vernal equinox/first point of aries ? - Rod57 (talk) 14:28, 28 April 2017 (UTC)[reply]
