NYC Grand Central Solar System Walk
☉ The Opal Clock, Grand Central Main Concourse
Starts at ☉ The Opal Clock, Grand Central Main Concourse. You'll get directions there, then scan the GO code on your card when you arrive.
8planets
2.5 kmwalk
~1 hron foot
1 : 1,825,984,252scale
Sun Planet stop Scaled orbit Walk path
The Sun
☉ The Opal Clock, Grand Central Main Concourse
The four-faced opal clock atop the information booth at the center of Grand Central Terminal's Main Concourse. At this scale (1 : 1.8 billion), Mercury, Venus, and Earth are all within the concourse itself — the vastness of the outer solar system begins at Jupiter, four blocks south.
Getting there
The route
Tap a stop to expand it and locate it on the map.
Want to do this in your city?
The mission builder lets you place any real-world landmark as the Sun and generates a true-scale walk from there. Walks you create can be submitted to appear here for everyone.