Doppler Effect Simulation

Explore how light wavelengths change due to relative motion

Doppler Effect Visualization

Watch how a light-emitting planet changes color as it moves toward or away from your spaceship

Controls

Perspective

TelescopeSpaceship

Relative Speed: 0% of c

No Motion

-0.9c (Toward)0+0.9c (Away)

Positive values: Moving away (redshift) | Negative values: Moving toward (blueshift)

Emitted Wavelength: 550 nm

400nm (Violet)700nm (Red)

Data Analysis

Real-time measurements showing how the planet's emitted light appears different due to motion

Emitted Wavelength

550 nm

Observed Wavelength

550 nm

Wavelength Shift

0.0%

No shift

Emitted

550 nm

Actual color

Observed

550 nm

Actual color

Wavelength Shift

0.0%

No shift

Relative Speed

0% of c

Stationary