Stars twinkle because light is disrupted as it passes through Earthβs atmosphere.
Their light must pass through pockets of Earth's atmosphere that vary in temperature and density
2012
Light travels from the Sun to the Earth in less than 10 minutes.
The Photons emitted from the Sunβs surface travel at the speed of light to reach our eyes in only 8 minutes and 20 seconds.
2013
Physicist Lene Hau lead a team in 2001 that was the First to Completely Stop a beam of Light.
Later experiments included turning light into matter, and then matter back into light.
2020