Star and Galaxy Simulation

Zodiac Simulation

Zodiac

Zodiac The Ecliptic is the way the sun passes in the sky. zodiac means 12 constellations on the ecliptic. It is said that the zodiac was made in Babylonia around the 7th century BC. Constellation 1 … more

Doppler Effect and RedShift

Doppler Effect and RedShift

Doppler Effect By listening to the ambulance’s siren, we can tell if the ambulance is coming or going. When an ambulance approaches with a siren, the sound wave’s wavelength becomes shorter (higher note), and when it … more