Solar eclipses (new Moon)
Lunar eclipses (full Moon)
Real eclipses, past and future, from orbital formulas.
Turn the tilt off and every new and full Moon becomes an eclipse.
In the Space view, click a spot on the globe.
Play speed
Step
Right now
Perigee 356,400 kmApogee 406,700 km
Scale
View
Focus
Zoom
Drag to turn, scroll or pinch to zoom, double-click Earth to focus on it.
Text size
Graphics quality
Presentation mode (P) hides the panel and enlarges the labels for a classroom display. Ultra draws finer detail for a projector on a capable computer.
Keys. Space plays or pauses. Left and right arrows step one hour (Shift: a day). Up and down change the phase. 1 and 2 switch views. N next eclipse, T tilt on or off, S scale. F focuses on Earth, M on the Moon, W wide sky. R resets the camera, Shift+R resets everything. Plus and minus zoom. P presentation, D light or dark, C controls, L lesson, Esc closes.