Interactive sky unavailable
This browser cannot start the 3D explorer because WebGL is unavailable. The planet reference, comparisons, quiz, and exoplanet estimate remain available.
MISSION TIME
YEAR 0, DAY 000
TARGET
HELIOCENTRIC VIEW
VELOCITY
29.8 km/s
LATENCY
8m 20s
0.1x
Visual scale is on: planet sizes and distances are adjusted so they can be explored on one screen.
0°
0° follows the orbit · +90° heads toward the Sun. Tails always stream away from the Sun.
Forecast model: a Sun-centered conic from the clicked start and heading. Planets keep moving, but planetary gravity and capture are not simulated; Jupiter or Saturn may be the closest pass, not the destination.
No active comet. Use the shared WARP SPEED, then choose a heading and click SPAWN COMET followed by open space.
Drag to pan · Scroll to zoom · Select a planet. Use the named planet buttons for keyboard access.
STAGING
Earth → Mars
0.0 km/s