When to Use the Voyager Interstellar Position 3D Explorer - Best Sessions and Limits
Open Voyager Interstellar Position 3D Explorer when you want to see how far Voyager 1 and Voyager 2 have really traveled since their 1977 launches and when each one crossed into interstellar space - not to check today's exact live distance or run a to-scale orbital-dynamics projection of either probe's real early trajectory.
A launch-to-heliopause lesson
A lesson starts both probes at the Sun in 1977, scrubs the mission year forward, and watches Voyager 1 cross the heliopause first in 2012 while Voyager 2 - despite launching slightly earlier but visiting all four giant planets along the way - does not cross until 2018, six years later.
Sessions this explorer does not fit
Sessions this page does not fit are checking the single 1990 photograph Voyager 1 took looking back at Earth - use the Pale Blue Dot 3D Explorer for that - or exploring the belt of icy bodies and the far larger Oort Cloud on their own terms - use the Kuiper Belt and Oort Cloud 3D Explorer. Walk the controls in the step-by-step guide.
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